arm64: dts: rockchip: add Forlinx OK3588-C

arm64: dts: rockchip: add Forlinx OK3588-C

OK3588-C is the carrier board for FET3588-C System on Module.

OK3588-C features:
- 2x 1GbE Realtek RTL8211F Ethernet
- 1x HDMI Type A out
- 1x HDMI Type A in
- 3x USB 3.1 Type C (2x OTG and 1x serial console)
- 1x USB 2.0 Type A
- 1x USB 3.0 & USB 2.0 Combo M.2 M Key (4G/5G modem)
- 1x PCIE 2.0 M.2 E Key (1 lane)
- 1x PCIE 2.0 PCIe (1 lane)
- 1x PCIE 3.0 PCIe (4 lanes)
- 1x TF scard slot
- 5x MIPI CSI
- 2x MIP DSI
- 2x CAN2.0B
- 1x RS485
- 1x NAU8822 onboard audio
- 1x FAN connector
- 1x RTC
- 20-pin expansion header
- ADC keys

Add support for Forlinx OK3588-C board.

Signed-off-by: Dmitry Yashin <dmt.yashin@gmail.com>
Link: https://lore.kernel.org/r/20240403151229.30577-4-dmt.yashin@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>