iio: amplifiers: ad8366 Fix whitespace issue

This removes the following checkpatch issue:
- ERROR: space prohibited before that ',' (ctx:WxW)

Signed-off-by: Franziska Naepelt <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/amplifiers/ad8366.c

···
 	indio_dev->info = &ad8366_info;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 
-	ret = ad8366_write(indio_dev, 0 , 0);
+	ret = ad8366_write(indio_dev, 0, 0);
 	if (ret < 0)
 		goto error_disable_reg;