ARM: mxs_defconfig: Re-enable MXS LRADC

The MXS LRADC driver left staging and has been split. So re-enable
the driver and remove the obsolete entries.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/configs/mxs_defconfig

@@ -76,6 +76,7 @@ CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_KEYBOARD is not set
 # CONFIG_INPUT_MOUSE is not set
 CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_MXS_LRADC=y
 CONFIG_TOUCHSCREEN_TSC2007=m
 # CONFIG_SERIO is not set
 CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
@@ -96,6 +97,7 @@ CONFIG_GPIO_SYSFS=y
 # CONFIG_HWMON is not set
 CONFIG_WATCHDOG=y
 CONFIG_STMP3XXX_RTC_WATCHDOG=y
+CONFIG_MFD_MXS_LRADC=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_FB=y
@@ -137,10 +139,9 @@ CONFIG_RTC_DRV_DS1307=m
 CONFIG_RTC_DRV_STMP=y
 CONFIG_DMADEVICES=y
 CONFIG_MXS_DMA=y
-CONFIG_STAGING=y
-CONFIG_MXS_LRADC=y
 CONFIG_IIO=y
 CONFIG_IIO_SYSFS_TRIGGER=y
+CONFIG_MXS_LRADC_ADC=y
 CONFIG_PWM=y
 CONFIG_PWM_MXS=y
 CONFIG_NVMEM=y