arm64: dts: rockchip: add Haikou baseboard with RK3588-Q7 SoM

Haikou is a Qseven and μQseven baseboard featuring PCIe, USB3 and a
video connector for a MIPI-DSI/CSI adapter.

This dts is for usage with the RK3588-Q7 SoM Tiger.

Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
Reviewed-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Link: https://lore.kernel.org/r/20240227164659.705271-5-heiko@sntech.de


Signed-off-by: Heiko Stuebner <heiko@sntech.de>