staging:iio: push "sysfs.h" and linux/irq.h out of iio.h

These are no longer needed.
Requires a few driver updates for places "sysfs.h" should have been
present but wasn't.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/iio/dac/max517.c

@@ -26,6 +26,7 @@
 #include <linux/err.h>
 
 #include "../iio.h"
+#include "../sysfs.h"
 #include "dac.h"
 
 #include "max517.h"

drivers/staging/iio/iio.h

@@ -13,8 +13,6 @@
 
 #include <linux/device.h>
 #include <linux/cdev.h>
-#include <linux/irq.h>
-#include "sysfs.h"
 
 /* IIO TODO LIST */
 /*

drivers/staging/iio/industrialio-core.c

@@ -26,6 +26,8 @@
 #include "iio_core.h"
 #include "iio_core_trigger.h"
 #include "chrdev.h"
+#include "sysfs.h"
+
 /* IDA to assign each registered device a unique id*/
 static DEFINE_IDA(iio_ida);
 

drivers/staging/iio/industrialio-ring.c

@@ -22,6 +22,7 @@
 
 #include "iio.h"
 #include "iio_core.h"
+#include "sysfs.h"
 #include "ring_generic.h"
 
 

drivers/staging/iio/light/isl29018.c

@@ -28,7 +28,7 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include "../iio.h"
-
+#include "../sysfs.h"
 #define CONVERSION_TIME_MS		100
 
 #define ISL29018_REG_ADD_COMMAND1	0x00

drivers/staging/iio/light/tsl2563.c

@@ -38,6 +38,7 @@
 #include <linux/slab.h>
 
 #include "../iio.h"
+#include "../sysfs.h"
 #include "tsl2563.h"
 
 /* Use this many bits for fraction part. */

drivers/staging/iio/magnetometer/ak8975.c

@@ -31,7 +31,7 @@
 #include <linux/gpio.h>
 
 #include "../iio.h"
-
+#include "../sysfs.h"
 /*
  * Register definitions, as well as various shifts and masks to get at the
  * individual fields of the registers.