sunxi: Add A20-OLinuXIno board
Spelling correction
sunxi: Add status led to A20-OLinuXino board
Add A20 support to u-boot v2

This is a cleaned up version of luke's A20 patch set. Some patches where
reverted some cleaned up. No code changes where done.

Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>