ARM: mvebu: Add support for the network controller in Armada 375 SoC

This commit adds the support for the network controller in Marvell
Armada 375 SoC devicetree.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Link: https://lkml.kernel.org/r/1405021936-28658-3-git-send-email-ezequiel.garcia@free-electrons.com


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