RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ aaece70c25ae438853e55043d43f83de59cf0844

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zyh c053119fac [Components][HOST]fix sem name		7 anni fa
..
usbdevice	1ed770039c [Coponents][USB device]add class register interface	7 anni fa
usbhost	c053119fac [Components][HOST]fix sem name	7 anni fa
SConscript	cc54e0a74e [usb]update usb stack	8 anni fa