mfd: early init for MFD running regulators

For MFDs running regulator cores, we really want them to be brought up early
during boot.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Mike Rapoport <mike@compulab.co.il>

diff --cc drivers/mfd/da903x.c
Simple merge

diff --cc drivers/mfd/pcf50633-core.c
Simple merge

diff --cc drivers/mfd/wm8400-core.c
Simple merge