sunxi: add support for Banana Pi M2 Zero board

Banana Pi M2 Zero is a board by Sinovoip with Allwinner H2+ SoC, 16-bit
512MiB DDR3 memory, a MicroSD slot, two MicroUSB ports (one OTG and one
powering-only) and a miniHDMI port.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
[jagan: Fixed board MAINTAINERS file]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d36447d..3093c11 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -365,6 +365,7 @@
 	sun8i-a83t-cubietruck-plus.dtb \
 	sun8i-a83t-tbs-a711.dts
 dtb-$(CONFIG_MACH_SUN8I_H3) += \
+	sun8i-h2-plus-bananapi-m2-zero.dtb \
 	sun8i-h2-plus-libretech-all-h3-cc.dtb \
 	sun8i-h2-plus-orangepi-r1.dtb \
 	sun8i-h2-plus-orangepi-zero.dtb \