systemtap: update to 4.5-latest

To fix issues with 5.14+ kernels, we bump to the latest 4.5 systemtap.
This means that we can drop a backported patch, and we pickup the
following changes:

    7f6992539 Correct RISC-V handling of SDT markers and document their format.
    2dfd140fd Fix races in perf probe task finder callback
    f463f6053 The /* pc=0x... */ is no longer printed by "stap -v -L 'kernel.function("*")'
    0bd97a806 Use task_state tapset function to avoid task_struct changes
    4996a29c6 tapset: start adopting kernel netif_* tracepoints in netdev.* tapset
    fb0851e62 dwflpp.h: add conditional EM_RISCV define
    c5599df8e Add dwarfless register access for RISC-V
    33d861435 Add bactrace support for RISC-V
    2ae3fc866 RISC-V dwarf register number to pt_reg mappings
    3df603720 Eliminate the sa_restorer field in sigaction struct for RISC-V.
    a6aff9d33 Avoid generating problematic asynchronous unwind tables on RISC-V
    a463860c3 Add RISC-V 64-bit processor support
    8486fd78d Add the actual RISC-V syscall-number mappings to the tapsets.
    1e383aa38 Add creation of mappings between syscall names and numbers for RISC-V
    aedb2dbe7 RISC-V doesn't have crash available, disable it for rpmbuilds.
    33a9bf1a1 Update to newer config.guess to support RISC-V
    3bca17469 Use lex_cast instead of to_string when shortening function names.
    0b5bc934a Revert "runtime: unregister the control channel before cleaning up"
    166a95089 runtime: fix panics when polling on the control channel while unloading
    e6a1b008b Shorten function names that will exceed the kernel's objtool limit of 128
    4f54ba033 runtime/transport: add a comment blurb for ordering invariant at shutdown
    dbe08f1ac runtime: unregister the control channel before cleaning up
    798a67290 bpf pr23478 :: test non-unique key/val iteration
    079f5d708 bpf pr23478 :: test multi-key associative array iteration
    70b24879d rhbz1938312: un-disable bpf.exp after kernel bugfix
    2896d6f5a pr23478 WIP: fixes for existing foreach testcases
    0d1a38dbc pr23478 WIP: rework bpf foreach to handle multi-key array
    14a2c8f54 Run task_fd_lookup.exp with --compatible 4.0
    f2c147767 PR28184: Adapt to kernel rename __fcheck_files to files_lookup_fd_raw
    0581a6560 PR28184: Adapt to kernel rename __fcheck_files to files_lookup_fd_raw
    559fd51fe testsuite: time-limit auxiliary child processes
    5d89bb03e stapbpf bugfix: missing in_block() in try-catch code
    04b43f48f releng: ditch custom pie/ssp CFLAGS engine in configure.ac
    b47d03c20 PR28079: Adapt to kernel 5.14 task_struct.__state change
    e66f3a83b runtime: adapt to -Werror=implicit-fallthrough=5, dyninst runtime
    ea00c1070 PR28140: kernel 5.14-rc adaptation, jump_label_patch
    ffb0a38ea runtime: adapt to -Werror=implicit-fallthrough=5
    efba2178f Revert to using test_tsk_thread_flag for uprobes2
    23db8b29f PR27984: Adjust the address so dwfl_module_addrinfo finds correct function name
    a29f65d57 PR28079: Adapt to kernel 5.14 task_struct.__state change
    2f7e966c0 testsuite item typo fix
    5abb4d130 PR27934: give fuller diagnosis for pass-5 probe-registration errors
    371805aa0 PR27820 tapset/bpf/logging.stp: implement abort() tapset function
    ee361f183 PR27820 tapset/bpf/logging.stp: move bpf versions of functions
    968173f7f runtime: linux 5.14 compat: <linux/panic_notifier.h>
    ef5a8b9ed runtime: fix unintended compile error with autoconf-x86-uniregs.c
    84ef6bd9f Revert "systemtap.spec: don't buildrequire emacs"
    65fc44163 spin-rawhide: ok tweak the git-archive top level path too
    c7f1c12e1 spin-rawhide: switch to ~ versioning for Source: file names too
    bff2b2ff5 spin-rawhide: switch to ~ versioning for n-v-r
    7c2751e37 task_finder_vma: add autoconf check for hlist_add_tail_rcu()
    ea7c27bbe Don't fail vma tracking mmap callback if module is already known.
    2eb7fdfdb Use the path instead of the module for vma tracking mmap callback.
    a5104a612 update READMEs + man pages for freenode -> oftc move
    23c351645 Update list of reasons for latencytap.stp example
    5409ddea1 rhbz1972805: add basic syscall-in-ptregs support for s390x
    0fc73fc4e systemtap.spec: don't Require: libvirt
    515a6a2d6 rhbz1972828: tapsets: iommu tracepoints
    eaf63df6a ppc64 runtime: FULL_REGS() gone
    757d4f654 c++ buildability: util.cxx - unique_ptr
    1a6e7aea7 systemtap.spec: don't buildrequire emacs
    5ff28c970 Allow for adjacent segments belonging to different modules.
    b1e8cd5de Note that Python is a requirement.
    27115ab4c Get the enumerator's enumeration type
    1288bee31 testsuite/systemtap.base/perf.sh drop bashism
    4755bc453 Add hlist macros for use by hlist_add_tail_rcu
    bccf5123f parse.cxx: Initialize functioncall synthetic field
    9bbee6518 Add hlist_add_tail_rcu for rhel 6.
    630e406b8 Don't assume ISO C99
    4a3ad3532 Extend vma mapped entries when the address is adjacent.
    294b7a53e stap-prep: switch to using main vmlinuz file as debuginfod test download
    643351d22 PR27903: grok more glibc dwarf
    3a843482a c++11 hygiene: use cxx_override macro for pre-4.7 g++
    3e9bcd7b1 Fix more -Wformat-nonliteral and -Wmismatched-tags when compiling with clang
    8e5145ae4 dtrace: Use -o option to specify output file for CPP
    b3a392975 Fix -Wformat-nonliteral and -Wformat warnings with clang
    545535f82 Fix -Woverloaded-virtual warnings when building with clang
    0f4bd3219 set2: Return this from assignment operator
    6de815bca Add missing copy constructors to set1_ref and set1_const_ref
    930b54119 Add some override specifiers where missing
    14f04522b util.cxx: Use abs() instead of labs()
    13016e9dd systemtap.spec: python3 tweaks
    494ece199 PR27864: tolerate loc_unavailable during loc2c transform
    e8f5c058f autoconf: version bumps for the next release-4.6
    77abac91d version bumps for the next release-4.6
    0eba8a46b NEWS: release-4.5

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