board: rockchip: Add Indiedroid Nova

The Indiedroid Nova is a Rockchip RK3588S based SBC from Indiedroid.

Specifications:

    Rockchip RK3588S SoC
    4x ARM Cortex-A76, 4x ARM Cortex-A55
    4/8/16GB memory LPDDR4x
    Mali G610MC4 GPU
    Optional eMMC
    2x USB 2.0, 2x USB 3.0, 1x USB 3.0 C port with DP Alt
    1x MIPI-CSI Port (4-lane or 2x 2-lane)
    1x MIPI-DSI 4-lane connector
    1x Micro HDMI 2.1 output, 1x DP 1.4 output
    Gigabit Ethernet
    Realtek RTL8821CS WiFi
    4 pin debug UART connector
    40 pin GPIO header
    Size: 85mm x 56mm (Raspberry Pi Form Factor)

Kernel commit:
3900160e164b ("arm64: dts: rockchip: Add Indiedroid Nova board")

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/board/indiedroid/nova/MAINTAINERS b/board/indiedroid/nova/MAINTAINERS
new file mode 100644
index 0000000..db1f115
--- /dev/null
+++ b/board/indiedroid/nova/MAINTAINERS
@@ -0,0 +1,6 @@
+INDIEDROID-NOVA-RK3588
+M:	Chris Morgan <macromorgan@hotmail.com>
+S:	Maintained
+F:	board/indiedroid/nova
+F:	configs/nova-rk3588s_defconfig
+F:	include/configs/nova-rk3588s.h