RT-Thread-Studio/sdk-rt-thread-source-code: https://github.com/RT-Thread-Studio/sdk-rt-thread-source-code.git @ v5.2.2

réplica de https://github-proxy.rt-thread.io/RT-Thread-Studio/sdk-rt-thread-source-code.git

CYFS dabdf023bd update v5.2.1		hai 1 mes
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SConscript	dabdf023bd update v5.2.1	hai 1 mes
ref.h	192948ebe0 update to 5.0.2 version	%!s(int64=2) %!d(string=hai) anos