mfd: Convert MFD drivers to use module_platform_driver

Factors out some boilerplate code for drivers doing the default thing
for platform driver registration. Drivers using platform_driver_probe
or an initcall other than module_init can't be converted.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

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

diff --cc drivers/mfd/jz4740-adc.c
Simple merge

diff --cc drivers/mfd/mcp-sa11x0.c
Simple merge

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

diff --cc drivers/mfd/t7l66xb.c
Simple merge

diff --cc drivers/mfd/tc6387xb.c
Simple merge

diff --cc drivers/mfd/ti-ssp.c
Simple merge

diff --cc drivers/mfd/twl4030-audio.c
Simple merge

diff --cc drivers/mfd/twl4030-madc.c
Simple merge

diff --cc drivers/mfd/twl6040-core.c
Simple merge