arm64: dts: rockchip: Add ArmSoM W3 board

arm64: dts: rockchip: Add ArmSoM W3 board

W3 is the carrier board for LM7 System on Module.

W3 features:
- 1x 2.5GbE Realtek RTL8125 Ethernet
- 2x HDMI Type A out
- 1x HDMI Type A in
- 1x USB 3.1 Type C
- 2x USB 2.0 Type A
- 2x USB 3.0 Type A
- 1x PCIE 2.0 M.2 E Key (1 lane)
- 1x PCIE 3.0 PCIe (4 lanes)
- 1x TF scard slot
- 1x MIPI CSI
- 1x MIPI DSI
- 1x ES8316 audio jack
- 1x FAN connector
- 1x RTC
- 40-pin expansion header

Add support for ArmSoM LM7 board.

Signed-off-by: Jianfeng Liu <liujianfeng1994@gmail.com>
Link: https://lore.kernel.org/r/20240918165008.169917-4-liujianfeng1994@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>