libatomic-ops: upgrade 7.8.0 -> 7.8.2

Changelog:
=========
* Eliminate 'atomic_thread_fence is unsupported with tsan' gcc-11 warning
* Eliminate 'comparing signed/unsigned values' lcc warning in add_chunk_as
* Fix 'undefined reference to AO_pt_lock' if configure is using clang-16
* Fix 'undefined reference to __atomic_load/store/cas_16' Mingw64-gcc error
* Fix 'undefined reference' linker errors if shared build on OpenBSD (CMake)
* Fix get_chunk for case of mmap area is located before AO_initial_heap
* Fix typo in AO_HAVE_compare_and_swap_double name in atomic_ops_stack.h
* Fix typo in comment of run_one_test of test_stack
* Fix typos in comments of atomic_ops_malloc.c and atomic_ops_stack.c/h
* Update cmake minimum required version to 3.5

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 1dea52da)
Signed-off-by: Steve Sakoman <steve@sakoman.com>