Merge tag 'tags/boards_for_v3.9' into mvebu/dt

mvebu boards for v3.9
 - Guruplug Server Plus DT board
 - RD-A370-A1 board
 - mvebu improved SMP support in interrupt controller
 - update defconfigs
 - split legacy and DT setup for dove
 - remove some redundant clock aliases

depends on:
 - tags/mvebu_fixes_for_v3.8-rc6
 - tags/cleanup_for_v3.9_round2
 - tags/drivers_for_v3.9
 - mmc/mmc-next up to:
    d293875 mmc: mvsdio: add pinctrl integration