staging: iio: dac: Cleanup style - no functional changes

Stick to the 80 character line limit at least for code

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1 file changed