RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ v5.0.1

réplica de https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

Shicheng Chu 93f3cb30e4 [kernel] 将rt_thread结构体改为显式继承rt_object (#7131)		%!s(int64=2) %!d(string=hai) anos
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sep6200	93f3cb30e4 [kernel] 将rt_thread结构体改为显式继承rt_object (#7131)	%!s(int64=2) %!d(string=hai) anos
SConscript	bd8f0d0423 [libcpu] Fix the build directory issue	%!s(int64=6) %!d(string=hai) anos