Update header inclusions to follow IWYU (Include What You Use)
principle.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/iio/afe/iio-rescale.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c
index bbc73798082d..067823a356d9 100644
--- a/drivers/iio/afe/iio-rescale.c
+++ b/drivers/iio/afe/iio-rescale.c
@@ -9,12 +9,16 @@
  */
 
 #include <linux/bits.h>
+#include <linux/dev_printk.h>
 #include <linux/err.h>
 #include <linux/gcd.h>
+#include <linux/math64.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
+#include <linux/overflow.h>
 #include <linux/platform_device.h>
 #include <linux/property.h>
+#include <linux/types.h>
 
 #include <linux/iio/afe/rescale.h>
 #include <linux/iio/consumer.h>
-- 
2.43.0.rc1.1336.g36b5255a03ac