ARM: sunxi: Add basic support for Allwinner A1x SoCs

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Stefan Roese <sr@denx.de>

Documentation/arm/sunxi/README

@@ -0,0 +1,19 @@
+ARM Allwinner SoCs
+==================
+
+This document lists all the ARM Allwinner SoCs that are currently
+supported in mainline by the Linux kernel. This document will also
+provide links to documentation and or datasheet for these SoCs.
+
+SunXi family
+------------
+
+  Flavors:
+        Allwinner A10 (sun4i)
+                Datasheet       : http://dl.linux-sunxi.org/A10/A10%20Datasheet%20-%20v1.21%20%282012-04-06%29.pdf
+
+        Allwinner A13 (sun5i)
+                Datasheet       : http://dl.linux-sunxi.org/A13/A13%20Datasheet%20-%20v1.12%20%282012-03-29%29.pdf
+
+  Core: Cortex A8
+  Linux kernel mach directory: arch/arm/mach-sunxi