staging: comedi: pcl724: fix 96 DIO configuration option

According to the comedi documentation at the beginning of the file,
configuration option 2 sets the number of DIO channels on the boards
that support 144 or 96 channels.

Fix the (*attach) to use the correct configuration option.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/pcl724.c

@@ -106,7 +106,7 @@ static int pcl724_attach(struct comedi_device *dev,
 
 	/* Handle PCL-724 in 96 DIO configuration */
 	if (board->can_have96 &&
-	    (it->options[1] == 1 || it->options[1] == 96)) {
+	    (it->options[2] == 1 || it->options[2] == 96)) {
 		iorange = 0x10;
 		n_subdevices = 4;
 	}