RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ d5fd7f649848f3b649e9afcc0e468f365c2a9949

Troy 0655742ccf [libc][posix/io] add comments		hai 1 ano
..
compilers	004e5bfd60 [fixup] aarch64 UMP compiler error (#8677)	hai 1 ano
cplusplus	1b8654b98e Add GCC generalized atomic operation function	hai 1 ano
posix	0655742ccf [libc][posix/io] add comments	hai 1 ano
Kconfig	005828eba7 [nano] rt-thread susport nano option	%!s(int64=2) %!d(string=hai) anos
SConscript	005828eba7 [nano] rt-thread susport nano option	%!s(int64=2) %!d(string=hai) anos
posix-info.txt	3e59cfd70e update posix-info.txt	%!s(int64=4) %!d(string=hai) anos