ARM: mvebu: Enable NAND controller in Armada 385-DB

The Armada 385-DB board has a NAND flash, so enable it in the
devicetree and add the partitions as prepared in the factory images.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Link: https://lkml.kernel.org/r/1394742273-5113-6-git-send-email-ezequiel.garcia@free-electrons.com


Signed-off-by: Jason Cooper <jason@lakedaemon.net>