arm64: dts: rockchip: refactor common Orange Pi 5 board

Unique to the Orange Pi 5 board:
- M.2 NVMe M-Key PCIe 2.0x1 on combphy0_ps
- SPI NOR flash

Co-Developed-by: Jimmy Hon <honyuenkwun@gmail.com>
Signed-off-by: Jimmy Hon <honyuenkwun@gmail.com>
Signed-off-by: Cenk Uluisik <cenk.uluisik@googlemail.com>
Link: https://lore.kernel.org/r/20241024095038.42079-1-cenk.uluisik@googlemail.com


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