RT-Thread-Studio/sdk-rt-thread-source-code: https://github.com/RT-Thread-Studio/sdk-rt-thread-source-code.git @ v5.2.1

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
..
ipc	6009bc8633 update v5.2.0	hai 1 mes
serial_bypass	6009bc8633 update v5.2.0	hai 1 mes
serial_v2	dabdf023bd update v5.2.1	hai 1 mes
SConscript	0c4321c6c7 release rt-thread v4.0.4	%!s(int64=4) %!d(string=hai) anos