arm64: dts: rockchip: add usb2 support to rk3568-evb1-v10

Activate the USB2 controller and phy nodes in the device tree of the
RK3568 EVB1.

Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220127190456.2195527-2-michael.riesch@wolfvision.net


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