Merge "mvebu defconfig for arm64 for 4.7" from Gregory CLEMENT:

- update arm64 defconfig with options useful for Armada 7K/8K support

* tag 'mvebu-defconfig64-4.7-1' of git://git.infradead.org/linux-mvebu:
  arm64: configs: add options useful for Armada 7K/8K support