arm64: dts: rockchip: enable dwc3 on quartz64-a

The quartz64 model a has support for both the dwc3 otg port and the dwc3
host port. Add the otg power supply and dwc3 nodes to the device tree to
enable support for these.

Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220408151237.3165046-5-pgwipeout@gmail.com


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