arm64: dts: rockchip: Add board device tree for rk3588-orangepi-5-plus

Orange Pi 5 Plus is RK3588 based SBC featuring:

- 2x 2.5G ethernet ports – onboard NIC hooked to PCIe 2.0 interface
- 2x USB 2.0 host ports
- 2x USB 3.0 host ports (exposed over USB 3.0 hub)
- Type-C port featuring USB 2.0/3.0 and Alt-DP mode
- PCIe 2.0/USB 2.0/I2S/I2C/UART on E.KEY socket
- RTC
- ES8388 on-board sound codec – jack in/out, onboard mic, speaker amplifier
- SPI NOR flash
- RGB LED (R is always on)
- IR receiver
- PCIe 3.0 on the bottom for NVMe, etc.
- 40pin GPIO header (with gpio, I2C, SPI, PWM, UART)
- Power, recovery and Mask ROM buttons
- 2x HDMI out, 1x HDMI in
- Slots/connectors for eMMC, uSD card, fan, MIPI CSI/DSI

Signed-off-by: Ondrej Jirman <megi@xff.cz>
Link: https://lore.kernel.org/r/20231008130515.1155664-5-megi@xff.cz
Signed-off-by: Heiko Stuebner <heiko@sntech.de>