dm: usb: Add driver-model support to ehci-pci

Support driver model in this driver. This uses the normal USB driver search
mechanism. Any EHCI controllers will be set up as they are found during
usb_init().

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
1 file changed