RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ v5.2.1-beta

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

latercomer fe3c4d456e bsp中option env语句替换为新语句，并同步更新了source "$xxx"语句		il y a 1 an
..
ft32f072xb-starter	fe3c4d456e bsp中option env语句替换为新语句，并同步更新了source "$xxx"语句	il y a 1 an
libraries	6a9c42a19d [bsp][drv_gpio] fix the error code return when pin number is illegal	il y a 1 an
tools	0f2e9a3afb bsp-ft32 (#5652)	il y a 3 ans