regulator: Add a subdriver for TI TPS6105x regulator portions v2

This adds a subdriver for the regulator found inside the TPS61050
and TPS61052 chips.

Cc: Samuel Ortiz <samuel.ortiz@intel.com>
Cc: Ola Lilja <ola.o.lilja@stericsson.com>
Cc: Jonas Aberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index bc99288..8d7d098 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -132,6 +132,8 @@
 config TPS6105X
 	tristate "TPS61050/61052 Boost Converters"
 	depends on I2C
+	select REGULATOR
+	select REGULATOR_FIXED_VOLTAGE
 	help
 	  This option enables a driver for the TP61050/TPS61052
 	  high-power "white LED driver". This boost converter is