arm64: dts: rockchip: Add support for the Orange Pi RK3399 board.
This adds basic support for the Orange Pi RK3399 board.
What works:
- SD card / emmc.
- Debug UART
- Ethernet
- USB: Type C, internal USB3 for SATA, 4 USB 2.0 ports
- Sensors: All of them but the Hall sensor.
- Buttons
- Wifi, Bluetooth
- HDMI out