ARM: mvebu: Add support for NAND controller in Armada 38x SoC

The Armada 38x SoC family has a NAND controller, compatible
with the controller in Armada 370/375/XP SoCs. Add support for
it in the devicetree file.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Link: https://lkml.kernel.org/r/1394742273-5113-5-git-send-email-ezequiel.garcia@free-electrons.com


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