arm64: dts: rockchip: Add Hardkernel ODROID-M2

arm64: dts: rockchip: Add Hardkernel ODROID-M2

The Hardkernel ODROID-M2 is a single-board computer based on Rockchip
RK3588S2 SoC. It features e.g. 8/16 GB LPDDR5 RAM, 64 GB eMMC, SD-card,
GbE LAN, HDMI 2.0, M.2 NVMe and USB 2.0/3.0/Type-C.

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

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240901112020.3224704-3-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
[ upstream commit: ce48b8c976ce439c336def6e06bf8224a8ff9125 ]

(cherry picked from commit 7ba62d8b4cb010c6fcb7077550b46d5f5fb5af6d)
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>