Broadcom-s U-Boot https://git.openwrt.org/project/bcm63xx/u-boot/atom?h=master 2015-04-18T17:11:26Z 2015-04-18T17:11:26Z Simon Glass 2015-03-25T18:22:37Z urn:sha1:019808f97c1d039c41a960e477554b956c3ae238 With sandbox we want to be able to emulate USB devices so that we can test the USB stack. Add a uclass to support this. It implements the same operations as a normal USB device driver, but in this case passes them on to an emulation driver. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>