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

огледало от https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

Yaochenger 3775ea0611 [bsp] add xuantie e906 series bsp (#10275)		преди 10 месеца
..
SConscript	3775ea0611 [bsp] add xuantie e906 series bsp (#10275)	преди 10 месеца
drv_usart.c	3775ea0611 [bsp] add xuantie e906 series bsp (#10275)	преди 10 месеца
drv_usart.h	3775ea0611 [bsp] add xuantie e906 series bsp (#10275)	преди 10 месеца