staging: iio: tsl2x7x: sort #includes

Sort the #include statements for increased code readability.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/staging/iio/light/tsl2x7x.c

@@ -15,14 +15,14 @@
  * more details.
  */
 
-#include <linux/kernel.h>
-#include <linux/i2c.h>
-#include <linux/errno.h>
 #include <linux/delay.h>
-#include <linux/mutex.h>
+#include <linux/errno.h>
+#include <linux/i2c.h>
 #include <linux/interrupt.h>
-#include <linux/slab.h>
+#include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
 #include <linux/iio/events.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>