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/board/hardkernel/odroid_m1s/Kconfig b/board/hardkernel/odroid_m1s/Kconfig
new file mode 100644
index 0000000..5e0d2ca
--- /dev/null
+++ b/board/hardkernel/odroid_m1s/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_ODROID_M1S_RK3566
+
+config SYS_BOARD
+	default "odroid_m1s"
+
+config SYS_VENDOR
+	default "hardkernel"
+
+config SYS_CONFIG_NAME
+	default "odroid_m1"
+
+endif