regulator: Add max8925 support

MAX8925 contains 3 Buck and 20 LDO regulator.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index dbfe31a..04f2e08 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -94,6 +94,12 @@
 	  This driver controls a Maxim 8660/8661 voltage output
 	  regulator via I2C bus.
 
+config REGULATOR_MAX8925
+	tristate "Maxim MAX8925 Power Management IC"
+	depends on MFD_MAX8925
+	help
+	  Say y here to support the voltage regulaltor of Maxim MAX8925 PMIC.
+
 config REGULATOR_TWL4030
 	bool "TI TWL4030/TWL5030/TWL6030/TPS695x0 PMIC"
 	depends on TWL4030_CORE