sunxi: Add support for A33-OLinuXino board

A33-OLinuXino is A33 development board designed by Olimex LTD.

It has AXP223 PMU, 1GB DRAM, a micro SD card, one USB-OTG connector,
headphone and mic jacks, connector for LiPo battery and optional
4GB NAND Flash.

It has two 40-pin headers. One for LCD panel, and one for
additional modules. Also there is CSI/DSI connector.

The dts files are identical to the ones submitted to the upstream kernel.

Signed-off-by: Stefan Mavrodiev <stefan.mavrodiev@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index cf4d4fb..576a4e1 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -88,6 +88,11 @@
 S:	Maintained
 F:	configs/A20-OLinuXino-Lime2_defconfig
 
+A33-OLINUXINO BOARD
+M:	Stefan Mavrodiev <stefan.mavrodiev@gmail.com>
+S:	Maintained
+F:	configs/A33-OLinuXino_defconfig
+
 AINOL AW1 BOARD
 M:	Paul Kocialkowski <contact@paulk.fr>
 S:	Maintained