mvebu: Enable the A385 AP on 3.19

In order for the image to be built, some patches need to be ported to 3.19.

Add the relevant patches. Note that most of them (if not all) should be merged
in 3.20, removing the need to carry them on then.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 44267