arm64: dts: rockchip: Add Xunlong Orange Pi 3B

arm64: dts: rockchip: Add Xunlong Orange Pi 3B

The Xunlong Orange Pi 3B is a single-board computer based on the
Rockchip RK3566 SoC.

Add initial support for eMMC, SD-card, Ethernet, HDMI, PCIe and USB.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240626230319.1425316-3-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
[ upstream commit: d79d713d602e8b32cf935ddfdf61769cb74ba1dc ]

(cherry picked from commit 9defe71f2674f82c27a8d4593d8c5851ab5d51e7)
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>