sun7i: Add bananapi board

The Banana Pi is an A20 based development board using Raspberry Pi compatible
IO headers. It comes with 1 GB RAM, 1 Gb ethernet, 2x USB host, sata, hdmi
and stereo audio out + various expansion headers:

http://www.lemaker.org/

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index 64fdee8..b0b1804 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -18,6 +18,7 @@
 F:	configs/r7-tv-dongle_defconfig
 F:	include/configs/sun7i.h
 F:	configs/A20-OLinuXino_MICRO_defconfig
+F:	configs/Bananapi_defconfig
 F:	configs/i12-tvbox_defconfig
 F:	configs/Linksprite_pcDuino3_defconfig
 F:	configs/qt840a_defconfig