arm64: dts: rockchip: Add Orange Pi 5

Add initial support for OPi5 that includes support for USB2, PCIe2, Sata,
Sdmmc, SPI Flash, PMIC.

Signed-off-by: Muhammed Efe Cetin <efectn@6tel.net>
Reviewed-by: Ondřej Jirman <megi@xff.cz>
Link: https://lore.kernel.org/r/4212da199c9c532b60d380bf1dfa83490e16bc13.1696878787.git.efectn@6tel.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>