arm64: dts: rockchip: Add USB nodes for BPI-R2-Pro

Add usb2 nodes to Bananapi R2 Pro board

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20220409112136.164481-2-linux@fw-web.de


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