staging: iio: Add blank lines after function declarations

This was reported by checkpatch.pl:
CHECK: Please use a blank line after function/struct/union/enum
declarations

Signed-off-by: Narcisa Ana Maria Vasile <[e-mail]>
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/staging/iio/addac/adt7316.c

···
 
 	return len;
 }
+
 static inline ssize_t adt7316_show_ad_bound(struct device *dev,
 		struct device_attribute *attr,
 		char *buf)

drivers/staging/iio/cdc/ad7152.c

···
 
 	return ret;
 }
+
 static int ad7152_write_raw(struct iio_dev *indio_dev,
 			    struct iio_chan_spec const *chan,
 			    int val,