Merge git://git.denx.de/u-boot-usb

common/usb.c

common/usb_hub.c

common/usb_storage.c

drivers/usb/dwc3/Kconfig

drivers/usb/dwc3/Makefile

drivers/usb/dwc3/dwc3-uniphier.c

drivers/usb/emul/sandbox_flash.c

drivers/usb/emul/sandbox_hub.c

drivers/usb/emul/sandbox_keyb.c

drivers/usb/emul/usb-emul-uclass.c

drivers/usb/host/usb-sandbox.c

drivers/usb/host/usb-uclass.c

drivers/usb/host/xhci-mem.c

drivers/usb/host/xhci.c

drivers/usb/host/xhci.h

include/linux/usb/ch9.h

include/usb.h

test/dm/usb.c