RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ copilot/remove-vbus-code-implementation

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

sheltonyu aa4f2b224d [bsp/at32] 1.fixed some errors and remove unused contents, 2.add support at32f423 series		%!s(int64=2) %!d(string=hai) anos
..
SConscript	aa4f2b224d [bsp/at32] 1.fixed some errors and remove unused contents, 2.add support at32f423 series	%!s(int64=2) %!d(string=hai) anos
main.c	aa4f2b224d [bsp/at32] 1.fixed some errors and remove unused contents, 2.add support at32f423 series	%!s(int64=2) %!d(string=hai) anos