hwmon: convert drivers/hwmon/* to use module_platform_driver()

This patch converts the drivers in drivers/hwmon/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.

Cc: Donggeun Kim <dg77.kim@samsung.com>
Cc: Simon Guinot <sguinot@lacie.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: J Keerthy <j-keerthy@ti.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>

diff --cc drivers/hwmon/exynos4_tmu.c
Simple merge

diff --cc drivers/hwmon/gpio-fan.c
Simple merge

diff --cc drivers/hwmon/jz4740-hwmon.c
Simple merge

diff --cc drivers/hwmon/ntc_thermistor.c
Simple merge

diff --cc drivers/hwmon/s3c-hwmon.c
Simple merge

diff --cc drivers/hwmon/sch5627.c
Simple merge

diff --cc drivers/hwmon/sch5636.c
Simple merge

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

diff --cc drivers/hwmon/ultra45_env.c
Simple merge

diff --cc drivers/hwmon/wm831x-hwmon.c
Simple merge

diff --cc drivers/hwmon/wm8350-hwmon.c
Simple merge