arm64: dts: rockchip: add usb3 support to the radxa rock3 model a

The Radxa ROCK3 Model A features one USB 3.0 host port and one USB 3.0
OTG/DRD port. Enable them in the device tree.

Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220425133502.405512-2-michael.riesch@wolfvision.net


Signed-off-by: Heiko Stuebner <heiko@sntech.de>