board: sunxi: sun8i-v40: Add Bananapi M2 Berry support

Banana Pi BPI-M2 Berry is a quad-core mini single board computer
built with Allwinner V40 SoC. It features
- Quad Core ARM Cortex A7 CPU V40
- 1GB of RAM .
- microSD/SATA port..
- onboard WiFi and BT
- 4 USB A 2.0 ports
- 1 USB OTG port
- 1 HDMI port
- 1 audio jack
- DC power port

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index ba36a09..1bb2fa8 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -126,6 +126,11 @@
 S:	Maintained
 F:	configs/bananapi_m1_plus_defconfig
 
+BANANAPI M2 BERRY
+M:	Jagan Teki <jagan@amarulasolutions.com>
+S:	Maintained
+F:	configs/bananapi_m2_berry_defconfig
+
 BANANAPI M2 ULTRA BOARD
 M:	Chen-Yu Tsai <wens@csie.org>
 S:	Maintained