Merge tag 'mvebu-fixes-4.11-1' of git://git.infradead.org/linux-mvebu into fixes

mvebu fixes for 4.11 (part 1)

Fix build of the board code for orion5x when some parts are configured
as module.

* tag 'mvebu-fixes-4.11-1' of git://git.infradead.org/linux-mvebu:
  ARM: orion5x: only call into phylib when available

Signed-off-by: Olof Johansson <olof@lixom.net>