sunxi: iNet 3W support

The iNet 3W is an A10 tablet with 1GiB RAM and a 1024x768 screen.

Also see: http://linux-sunxi.org/INet_3W



Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>