regulator: Add support s5m8767 opmode operation

S5M8767A has 4 operation mode for BUCK/LDOs.
This patch can handle opmode for s5m8767a.

Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
1 file changed