staging: comedi: cb_pcidas64: remove 'volatile' from set_dac_range_bits() param

As indicated by checkpatch.pl, "WARNING: Use of volatile is usually
wrong: ...". The 'bits' parameter to this function does not need to
be volatile.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/cb_pcidas64.c

@@ -1180,7 +1180,7 @@ static unsigned int hw_revision(const struct comedi_device *dev,
 }
 
 static void set_dac_range_bits(struct comedi_device *dev,
-			       volatile uint16_t *bits, unsigned int channel,
+			       uint16_t *bits, unsigned int channel,
 			       unsigned int range)
 {
 	const struct pcidas64_board *thisboard = comedi_board(dev);