Merge branch 'master' of git://git.denx.de/u-boot-usb

cmd/Kconfig

cmd/dfu.c

cmd/thordown.c

common/usb_storage.c

doc/README.dfu

drivers/dfu/Kconfig

drivers/dfu/Makefile

drivers/dfu/dfu.c

drivers/dfu/dfu_mmc.c

drivers/dfu/dfu_mtd.c

drivers/dfu/dfu_nand.c

drivers/dfu/dfu_sf.c

drivers/dfu/dfu_virt.c

drivers/usb/dwc3/dwc3-generic.c

drivers/usb/dwc3/gadget.c

drivers/usb/gadget/f_thor.c

drivers/usb/host/ehci-hcd.c

include/dfu.h