iio: light: si1133: add missing include headers

Add missing include headers to prevent compilation relying on transient
dependencies (array_size.h, bitops.h, completion.h, dev_printk.h, err.h,
jiffies.h, math.h, mod_devicetable.h, mutex.h, types.h).

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Joshua Crofts <joshua.crofts1@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

Author: cjd8

drivers/iio/light/si1133.c

@@ -6,11 +6,21 @@
  * Copyright 2018 Maxime Roussin-Belanger <maxime.roussinbelanger@gmail.com>
  */
 
+#include <linux/array_size.h>
+#include <linux/bitops.h>
+#include <linux/completion.h>
 #include <linux/delay.h>
+#include <linux/dev_printk.h>
+#include <linux/err.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
+#include <linux/jiffies.h>
+#include <linux/math.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <linux/regmap.h>
+#include <linux/types.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>