arm64: dts: rockchip: add DTs for Firefly ROC-RK3588S-PC

arm64: dts: rockchip: add DTs for Firefly ROC-RK3588S-PC

The Firefly ROC-RK3588S-PC is a SBC based on the Rockchip RK3588s SoC.

Link: https://wiki.t-firefly.com/en/Station-M3/index.html
The device contains the following hardware that is tested/working:
 - 32 or 64GB eMMC
 - SDMMC card slot
 - Realtek USB WiFi 5/BT
 - NVME 2242 socket
 - 4 or 8GB of RAM
 - RTL8211 GbE
 - USB 3.0 port
 - USB 2.0 port
 - HDMI port

Signed-off-by: Hsun Lai <i@chainsx.cn>
Link: https://lore.kernel.org/r/20250609113044.8846-3-i@chainsx.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>