linux-yocto/5.4: update to v5.4.167

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

e8ef940326ef Linux 5.4.167
c97579584fa8 arm: ioremap: don't abuse pfn_valid() to check if pfn is in RAM
6026d4032dbb arm: extend pfn_valid to take into account freed memory map alignment
492f4d3cde95 memblock: ensure there is no overflow in memblock_overlaps_region()
bdca964781a0 memblock: align freed memory map on pageblock boundaries with SPARSEMEM
60111b30be0b memblock: free_unused_memmap: use pageblock units instead of MAX_ORDER
3e8e272805e7 hwmon: (dell-smm) Fix warning on /proc/i8k creation error
f6f1d1911492 bpf: Fix integer overflow in argument calculation for bpf_map_area_alloc
b06b1f46306a selinux: fix race condition when computing ocontext SIDs
2fb8e4267c47 KVM: x86: Ignore sparse banks size for an "all CPUs", non-sparse IPI req
467359957ad2 tracing: Fix a kmemleak false positive in tracing_map
fb8cd2b336e4 drm/amd/display: add connector type check for CRC source set
8fc2f28e3348 drm/amd/display: Fix for the no Audio bug with Tiled Displays
c0315e93552e net: netlink: af_netlink: Prevent empty skb by adding a check on len.
7ff666e6fdc0 i2c: rk3x: Handle a spurious start completion interrupt flag
409ecd029ac5 parisc/agp: Annotate parisc agp init functions with __init
4233fbd459ac net/mlx4_en: Update reported link modes for 1/10G
b6158d968b3e drm/msm/dsi: set default num_data_lanes
d731ecc6f2ea nfc: fix segfault in nfc_genl_dump_devices_done
c32c40ff8092 Linux 5.4.166
eb1b5eaaddec netfilter: selftest: conntrack_vrf.sh: fix file permission

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>