board: sun50i-h5: Add Emlid Neutis N5 support

Emlid Neutis N5 is a SoM based on Allwinner H5, has a WiFi & BT
module, DDR3 RAM and eMMC.

- add neutis-devboard target to dtb makefile
- add dtsi file for Neutis N5 needs
- add config file for Neutis N5 Dev board

Signed-off-by: Aleksandr Aleksandrov <aleksandr.aleksandrov@emlid.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
[jagan: update proper commit head]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index 9b6e0c4..608a86b 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -182,6 +182,11 @@
 S:	Maintained
 F:	configs/Cubietruck_plus_defconfig
 
+EMLID NEUTIS N5 DEV BOARD
+M:	Aleksandr Aleksandrov <aleksandr.aleksandrov@emlid.com>
+S:	Maintained
+F:	configs/emlid_neutis_n5_devboard_defconfig
+
 GEMEI-G9 TABLET
 M:	Priit Laes <plaes@plaes.org>
 S:	Maintained