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 <narcisaanamaria12@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/staging/iio/addac/adt7316.c

@@ -1863,6 +1863,7 @@ static ssize_t adt7316_set_int_mask(struct device *dev,
 
 	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

@@ -244,6 +244,7 @@ static int ad7152_write_raw_samp_freq(struct device *dev, int val)
 
 	return ret;
 }
+
 static int ad7152_write_raw(struct iio_dev *indio_dev,
 			    struct iio_chan_spec const *chan,
 			    int val,