board: rockchip: Add Hardkernel ODROID-M1S

The Hardkernel ODROID-M1S is a single-board computer based on Rockchip
RK3566 SoC. It features e.g. 4/8 GB LPDDR4 RAM, 64 GB eMMC, SD-card,
GbE LAN, HDMI 2.0, M.2 NVMe and USB 2.0/3.0.

Features tested on a ODROID-M1S 8GB rev1.0 20230906:
- SD-card boot
- eMMC boot
- Ethernet
- PCIe/NVMe
- USB gadget
- USB host

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index a50e3d2..7b11a2e 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -98,6 +98,7 @@
 
 * rk3566
      - Anbernic RGxx3 (anbernic-rgxx3-rk3566)
+     - Hardkernel ODROID-M1S (odroid-m1s-rk3566)
      - Pine64 PineTab2 (pinetab2-rk3566)
      - Pine64 Quartz64-A Board (quartz64-a-rk3566)
      - Pine64 Quartz64-B Board (quartz64-b-rk3566)