regulator: Remove bq24022 regulator driver

The bq24022 driver is just a specialised form of a gpio-regulator.

As all former users of it now use the gpio-regulator directly, there
is no need to keep it around.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>

drivers/regulator/Kconfig

@@ -74,14 +74,6 @@ config REGULATOR_GPIO
 	  and the platform has to provide a mapping of GPIO-states
 	  to target volts/amps.
 
-config REGULATOR_BQ24022
-	tristate "TI bq24022 Dual Input 1-Cell Li-Ion Charger IC"
-	help
-	  This driver controls a TI bq24022 Charger attached via
-	  GPIOs. The provided current regulator can enable/disable
-	  charging select between 100 mA and 500 mA charging current
-	  limit.
-
 config REGULATOR_MAX1586
 	tristate "Maxim 1586/1587 voltage regulator"
 	depends on I2C

drivers/regulator/Makefile

@@ -11,7 +11,6 @@ obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o
 
 obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
 obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o
-obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o
 obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
 obj-$(CONFIG_REGULATOR_LP3972) += lp3972.o
 obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o