mmc: mxcmmc: Use mmc_regulator_get_supply() API
mmc: mxcmmc: Use mmc_regulator_get_supply() API

This patch replaces regulator manipulation with
mmc_regulator_get_supply() function from MMC core.

Signed-off-by: Alexander Shiyan <2d24902f83da69c248f5b0282406fefa25814305@mail.ru>
Signed-off-by: Ulf Hansson <fe47b31f388f85ce6ddf64bf3a0cf6b46077d0e6@linaro.org>
Signed-off-by: Chris Ball <711c73f64afdce07b7e38039a96d2224209e9a6c@printf.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs