RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ f73e4c3fc4cf7c166c6673329ffbfaf0f340c196

kopia lustrzana https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

ZYH f73e4c3fc4 [Compoments][USB]增加对class的非法注册的判断		7 lat temu
..
core.c	d3c08afd75 1. 保留目前未用到的rt_usbd_ep_unassign函数,暂时移除static属性,消除警告.	7 lat temu
usbdevice.c	f73e4c3fc4 [Compoments][USB]增加对class的非法注册的判断	7 lat temu