ARM: dts: suniv: add USB-related device nodes

The suniv SoC has a USB OTG controller and a USB PHY like other
Allwinner SoCs.

Add their device tree node.

Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Link: https://lore.kernel.org/r/20230319212936.26649-2-andre.przywara@arm.com


Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>