ARM: sunxi: Add K1001 1 GiB tablet board

This patch adds the K1001 10" A20 based tablet. It uses the same memory
timings as the Olimex OlinuXino A20.

Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
sunxi: Add Rikomagic MK802-II A20 board

This patch adds support for the Riko Magic MK802II A20

Signed-off-by: Patrick Wood <patrickhwood@gmail.com>