arm64: dts: rockchip: Add USB3 on Edgeble NCM6A-IO board

Add the proper nodes to activate the USB 3.0 ports on the
Edgeble NCM6A-IO board.

Cc: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Anand Moon <anand@edgeble.ai>
Link: https://lore.kernel.org/r/20240502094246.4695-2-anand@edgeble.ai


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