linux-yocto/5.4: update to v5.4.56

Updating linux-yocto/5.4 to the latest korg -stable release that comprises
the following commits:

    1b940bbc5c55 Linux 5.4.56
    df35e878d0a5 perf bench: Share some global variables to fix build with gcc 10
    702d1b287fd2 perf env: Do not return pointers to local variables
    73d2d6b421df perf tests bp_account: Make global variable static
    39568546706f x86/i8259: Use printk_deferred() to prevent deadlock
    01ac46c6baf0 KVM: LAPIC: Prevent setting the tscdeadline timer if the lapic is hw disabled
    fd412846a6ec KVM: arm64: Don't inherit exec permission across page-table levels
    1aff51292ee8 drivers/net/wan: lapb: Corrected the usage of skb_cow
    f88c909dc28c RISC-V: Set maximum number of mapped pages correctly
    e3043abb5baa xen-netfront: fix potential deadlock in xennet_remove()
    a7b488d65d39 cxgb4: add missing release on skb in uld_send()
    5f4e6b874b57 x86/stacktrace: Fix reliable check for empty user task stacks
    32344d2993b0 x86/unwind/orc: Fix ORC for newly forked tasks
    a14d6a9ddf33 Revert "i2c: cadence: Fix the hold bit setting"
    df366abb9c8f net: ethernet: ravb: exit if re-initialization fails in tx timeout
    ac7c3b8f34ec parisc: add support for cmpxchg on u8 pointers
    a0ba41317c89 scsi: core: Run queue in case of I/O resource contention failure
    0ac155dcf048 nfc: s3fwrn5: add missing release on skb in s3fwrn5_recv_frame
    50c5f89637bc selftests: net: ip_defrag: modprobe missing nf_defrag_ipv6 support
    78c7532b80c6 qed: Disable "MFW indication via attention" SPAM every 5 minutes
    6e4620df9cbc selftests: fib_nexthop_multiprefix: fix cleanup() netns deletion
    5b235c1d9022 usb: hso: Fix debug compile warning on sparc32
    cac2b7ad0915 vxlan: fix memleak of fdb
    1df0000b30cd perf tools: Fix record failure when mixed with ARM SPE event
    568995fb61e7 net/mlx5e: fix bpf_prog reference count leaks in mlx5e_alloc_rq
    e68b7b9b03fb net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe()
    1158aa743a0b net: nixge: fix potential memory leak in nixge_probe()
    9acd96f14a49 Bluetooth: fix kernel oops in store_pending_adv_report
    3bb2f52ad9e7 arm64: csum: Fix handling of bad packets
    8a90b436a0c9 arm64/alternatives: move length validation inside the subsection
    4a50753aacb5 mac80211: mesh: Free pending skb when destroying a mpath
    3f15e3e62c80 mac80211: mesh: Free ie data when leaving mesh
    fe58e3dd6e11 bpf: Fix map leak in HASH_OF_MAPS map
    43c390b751ba ibmvnic: Fix IRQ mapping disposal in error path
    ea559138b331 mlxsw: core: Free EMAD transactions using kfree_rcu()
    57f498ced731 mlxsw: core: Increase scope of RCU read-side critical section
    0f424eda4705 mlx4: disable device on shutdown
    c3883876d3f1 rhashtable: Fix unprotected RCU dereference in __rht_ptr
    b1d629d32910 net: lan78xx: fix transfer-buffer memory leak
    9db3040eb952 net: lan78xx: add missing endpoint sanity check
    32ec4441cca1 net/mlx5e: Fix kernel crash when setting vf VLANID on a VF dev
    475cbcef491a net/mlx5e: Modify uplink state on interface up/down
    43608372b84d net/mlx5: Verify Hardware supports requested ptp function on a given pin
    8901896f69d4 net/mlx5e: Fix error path of device attach
    00bedd730d1f net/mlx5: E-switch, Destroy TSAR when fail to enable the mode
    d70f9a3cc32c net: hns3: fix aRFS FD rules leftover after add a user FD rule
    475b8d619268 net: hns3: fix a TX timeout issue
    5fc02e8d1bfd sh: Fix validation of system call number
    2f2674997dfb sh/tlb: Fix PGTABLE_LEVELS > 2
    222dbeca05fb selftests/net: so_txtime: fix clang issues for target arch PowerPC
    d817b2c8d3cf selftests/net: psock_fanout: fix clang issues for target arch PowerPC
    22f84cce9527 selftests/net: rxtimestamp: fix clang issues for target arch PowerPC
    831c904a0f68 nvme-tcp: fix possible hang waiting for icresp response
    9a1d0084cbe1 ARM: dts: armada-38x: fix NETA lockup when repeatedly switching speeds
    731e013e33b3 xfrm: Fix crash when the hold queue is used.
    a4c902887f1d ARM: dts sunxi: Relax a bit the CMA pool allocation range
    0307da686660 xfrm: policy: match with both mark and mask on user interfaces
    bbb13adb07af net/x25: Fix null-ptr-deref in x25_disconnect
    69cd304cfa5c net/x25: Fix x25_neigh refcnt leak when x25 disconnect
    c2fd34d43110 libtraceevent: Fix build with binutils 2.35
    2ec69499b758 rds: Prevent kernel-infoleak in rds_notify_queue_get()
    6a9428427da1 drm: hold gem reference until object is no longer accessed
    7eef3b463d88 drm/dbi: Fix SPI Type 1 (9-bit) transfer
    8ea180f1c7ec drm/amdgpu: Prevent kernel-infoleak in amdgpu_info_ioctl()
    f1b4bdde2bdc drm/amd/display: Clear dm_state for fast updates
    22d3202e51a7 Revert "drm/amdgpu: Fix NULL dereference in dpm sysfs handlers"
    cea6633d5382 virtio_balloon: fix up endian-ness for free cmd id
    c2f787f904e0 ARM: dts: imx6qdl-icore: Fix OTG_ID pin and sdcard detect
    b9274613114a ARM: dts: imx6sx-sdb: Fix the phy-mode on fec2
    c4738c67a569 ARM: dts: imx6sx-sabreauto: Fix the phy-mode on fec2
    3b7e4a5ba95d ARM: 8986/1: hw_breakpoint: Don't invoke overflow handler on uaccess watchpoints
    b8fa0b037047 wireless: Use offsetof instead of custom macro.
    d3472f74d229 9p/trans_fd: Fix concurrency del of req_list in p9_fd_cancelled/p9_read_work
    96f105943cff vhost/scsi: fix up req type endian-ness
    951117a2079b IB/rdmavt: Fix RQ counting issues causing use of an invalid RWQE
    dc731d262811 ALSA: hda/hdmi: Fix keep_power assignment for non-component devices
    6a67b05c6f30 ALSA: hda/realtek - Fixed HP right speaker no sound
    09832a9e0b76 ALSA: hda/realtek: Fix add a "ultra_low_power" function for intel reference board (alc256)
    e9f147c937a5 ALSA: hda/realtek: typo_fix: enable headset mic of ASUS ROG Zephyrus G14(GA401) series with ALC289
    cd76d30f51fb ALSA: hda/realtek: enable headset mic of ASUS ROG Zephyrus G15(GA502) series with ALC289
    6d84a8cf8a02 ALSA: usb-audio: Add implicit feedback quirk for SSL2
    47e20933814f mm/filemap.c: don't bother dropping mmap_sem for zero size readahead
    140210554274 PCI/ASPM: Disable ASPM on ASMedia ASM1083/1085 PCIe-to-PCI bridge
    2ff65580d477 ath10k: enable transmit data ack RSSI for QCA9884
    98cef10fbcca sunrpc: check that domain table is empty at module unload.
    84da97713b91 media: rc: prevent memory leak in cx23888_ir_probe
    ecfa7fa198fc crypto: ccp - Release all allocated memory if sha type is invalid
    169b93899c7d Linux 5.4.55
    909dbf09cd01 Revert "dpaa_eth: fix usage as DSA master, try 3"
    4918285a6c7d PM: wakeup: Show statistics for deleted wakeup sources again
    59242fa1d2ba regmap: debugfs: check count when read regmap file
    df89c1ee034c udp: Improve load balancing for SO_REUSEPORT.
    6735c126d272 udp: Copy has_conns in reuseport_grow().
    86512c6938a9 sctp: shrink stream outq when fails to do addstream reconf
    46e7c7efc30d sctp: shrink stream outq only when new outcnt < old outcnt
    bbf6af4a938a AX.25: Prevent integer overflows in connect and sendmsg
    182ffc66456b tcp: allow at most one TLP probe per flight
    e2f904fd79a0 rxrpc: Fix sendmsg() returning EPIPE due to recvmsg() returning ENODATA
    01c928350641 rtnetlink: Fix memory(net_device) leak when ->newlink fails
    b7d3d6df72a8 qrtr: orphan socket in qrtr_release()
    2bf797a8691a net: udp: Fix wrong clean up for IS_UDPLITE macro
    274b40b6df6c net-sysfs: add a newline when printing 'tx_timeout' by sysfs
    8d9f13dd400c ip6_gre: fix null-ptr-deref in ip6gre_init_net()
    fbcd85cd11de drivers/net/wan/x25_asy: Fix to make it work
    d109acd58052 dev: Defer free of skbs in flush_backlog
    52aeeec1a635 AX.25: Prevent out-of-bounds read in ax25_sendmsg()
    2f1624faf647 AX.25: Fix out-of-bounds read in ax25_connect()

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>