iio: afe: rescale: reorder includes

Includes should be ordered alphabetically which is already the case,
but follow what is done in other drivers by separation IIO specific
headers with a blank line.
Signed-off-by: Liam Beguin <liambeguin@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220108205319.2046348-6-liambeguin@gmail.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/afe/iio-rescale.c

@@ -9,14 +9,15 @@
 
 #include <linux/err.h>
 #include <linux/gcd.h>
-#include <linux/iio/consumer.h>
-#include <linux/iio/iio.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/property.h>
 
+#include <linux/iio/consumer.h>
+#include <linux/iio/iio.h>
+
 struct rescale;
 
 struct rescale_cfg {