arm64: dts: rockchip: add display to RG503

Add Samsung AMS495QA01 panel to RG503.

Co-developed-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://lore.kernel.org/r/20230123154603.1315112-5-macroalpha82@gmail.com


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