ARM: mvebu: enable Armada 375 network driver in mvebu_v7_defconfig

Now that the Armada 375 network driver has been pushed, let's enable it
in mvebu_v7_defconfig.

Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Link: https://lkml.kernel.org/r/1405021936-28658-5-git-send-email-ezequiel.garcia@free-electrons.com


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