sun4i: Add defconfig and dts for the pov protab2-ips9 tablet

The Point of View protab2-ips9 is a tablet with a 9" ips 1024x768 lcd
screen, microsd slot, headphones, mini hdmi, mini usb b and power barrel
connectors.

The dts file is identical to the one submitted to the upstream kernel.

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 3a4d1fb..3f897f8 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -15,6 +15,7 @@
 F:	configs/Mini-X_defconfig
 F:	configs/mk802_defconfig
 F:	configs/mk802ii_defconfig
+F:	configs/pov_protab2_ips9_defconfig
 F:	include/configs/sun5i.h
 F:	configs/A10s-OLinuXino-M_defconfig
 F:	configs/A13-OLinuXino_defconfig