sun7i: Add new Bananapro board / defconfig

Add support for the new Bananapro A20 development board from lemaker.org.
This board features 1G RAM, 2 USB A receptacles, 1 micro USB receptacle for
OTG, 1 micro USB receptacle for power, HDMI, sata, Gbit ethernet, ir receiver,
3.5 mm jack for a/v out, on board microphone, 40 gpio pins and sdio wifi.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/board/sunxi/Makefile b/board/sunxi/Makefile
index 97aff10..8ca01f6 100644
--- a/board/sunxi/Makefile
+++ b/board/sunxi/Makefile
@@ -22,6 +22,7 @@
 obj-$(CONFIG_TARGET_AUXTEK_T004)	+= dram_a10s_olinuxino_m.o
 obj-$(CONFIG_TARGET_BA10_TV_BOX)	+= dram_sun4i_384_1024_iow8.o
 obj-$(CONFIG_TARGET_BANANAPI)		+= dram_bananapi.o
+obj-$(CONFIG_TARGET_BANANAPRO)		+= dram_bananapi.o
 obj-$(CONFIG_TARGET_CUBIEBOARD)		+= dram_cubieboard.o
 obj-$(CONFIG_TARGET_CUBIEBOARD2)	+= dram_cubieboard2.o
 obj-$(CONFIG_TARGET_CUBIETRUCK)		+= dram_cubietruck.o