ZyXEL Keenetic has a USB port. Thus, DWC2 USB controller driver should
be in the default image for this device.
Fixes: a7cbf59e0e ("ramips: add new device ZyXEL Keenetic as kn")
Signed-off-by: Alexey Dobrovolsky <dobrovolskiy.alexey@gmail.com>
[fixed whitespace issue]
Signed-off-by: Petr Štetiar <ynezz@true.cz>