iio:trigger:sysfs Move out of staging.

This simple driver is rather useful. No issues about its interface
have been raised for some time hence the proposal to move it out
of staging.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/Kconfig

@@ -70,5 +70,8 @@ source "drivers/iio/gyro/Kconfig"
 source "drivers/iio/imu/Kconfig"
 source "drivers/iio/light/Kconfig"
 source "drivers/iio/magnetometer/Kconfig"
+if IIO_TRIGGER
+   source "drivers/iio/trigger/Kconfig"
+endif #IIO_TRIGGER
 
 endif # IIO

drivers/iio/Makefile

@@ -21,3 +21,4 @@ obj-y += frequency/
 obj-y += imu/
 obj-y += light/
 obj-y += magnetometer/
+obj-y += trigger/

drivers/iio/trigger/Kconfig

+#
+# Industrial I/O standalone triggers
+#
+menu "Triggers - standalone"
+
+config IIO_SYSFS_TRIGGER
+	tristate "SYSFS trigger"
+	depends on SYSFS
+	select IRQ_WORK
+	help
+	  Provides support for using SYSFS entry as IIO triggers.
+	  If unsure, say N (but it's safe to say "Y").
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called iio-trig-sysfs.
+
+endmenu

drivers/iio/trigger/Makefile

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

drivers/staging/iio/trigger/Kconfig

@@ -18,17 +18,6 @@ config IIO_GPIO_TRIGGER
 	help
 	  Provides support for using GPIO pins as IIO triggers.
 
-config IIO_SYSFS_TRIGGER
-	tristate "SYSFS trigger"
-	depends on SYSFS
-	select IRQ_WORK
-	help
-	  Provides support for using SYSFS entry as IIO triggers.
-	  If unsure, say N (but it's safe to say "Y").
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called iio-trig-sysfs.
-
 config IIO_BFIN_TMR_TRIGGER
 	tristate "Blackfin TIMER trigger"
 	depends on BLACKFIN

drivers/staging/iio/trigger/Makefile

@@ -4,5 +4,4 @@
 
 obj-$(CONFIG_IIO_PERIODIC_RTC_TRIGGER) += iio-trig-periodic-rtc.o
 obj-$(CONFIG_IIO_GPIO_TRIGGER) += iio-trig-gpio.o
-obj-$(CONFIG_IIO_SYSFS_TRIGGER) += iio-trig-sysfs.o
 obj-$(CONFIG_IIO_BFIN_TMR_TRIGGER) += iio-trig-bfin-timer.o