Merge branch 'master' of http://git.denx.de/u-boot-sunxi

sunxi: Add DMA definitions

Signed-off-by: Roy Spliet <r.spliet@ultimaker.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>