iio:triggers:interrupt trigger - move out of staging.

This is now a very simple trigger indeed but useful in many common cases.

Signed-off-by: Jonathan Cameron <[e-mail]>
Reviewed-by: Lars-Peter Clausen <[e-mail]>

drivers/iio/trigger/Kconfig

···
 #
 menu "Triggers - standalone"
 
+config IIO_INTERRUPT_TRIGGER
+	tristate "Generic interrupt trigger"
+	help
+	  Provides support for using an interrupt of any type as an IIO
+	  trigger.  This may be provided by a gpio driver for example.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called iio-trig-interrupt.
+
 config IIO_SYSFS_TRIGGER
 	tristate "SYSFS trigger"
 	depends on SYSFS

drivers/iio/trigger/Makefile

···
 # Makefile for triggers not associated with iio-devices
 #
 
+obj-$(CONFIG_IIO_INTERRUPT_TRIGGER) += iio-trig-interrupt.o
 obj-$(CONFIG_IIO_SYSFS_TRIGGER) += iio-trig-sysfs.o

drivers/staging/iio/trigger/Kconfig

···
 	  Provides support for using periodic capable real time
 	  clocks as IIO triggers.
 
-config IIO_INTERRUPT_TRIGGER
-	tristate "Generic interrupt trigger"
-	help
-	  Provides support for using interrupts of various types as IIO
-	  triggers.  These may be provided by a gpio driver for example.
-
 config IIO_BFIN_TMR_TRIGGER
 	tristate "Blackfin TIMER trigger"
 	depends on BLACKFIN

drivers/staging/iio/trigger/Makefile

···
 #
 
 obj-$(CONFIG_IIO_PERIODIC_RTC_TRIGGER) += iio-trig-periodic-rtc.o
-obj-$(CONFIG_IIO_INTERRUPT_TRIGGER) += iio-trig-interrupt.o
 obj-$(CONFIG_IIO_BFIN_TMR_TRIGGER) += iio-trig-bfin-timer.o