This introduces the usb node which can be used e.g. for USB_ETH
Signed-off-by: Daniele Debernardi <drebrez@gmail.com>
Link: https://lore.kernel.org/r/20200411182122.2677248-6-iskren.chernev@gmail.comSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>