arm64: dts: rockchip: sync px30 DTSI with Linux kernel v6.1

Sync the px30 dtsi from Linux kernel v6.1.

Cc: Quentin Schulz <foss+uboot@0leil.net>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>