staging: comedi: ni_atmio: remove NI_SIZE define

This define is only used in the comedi_request_region() to specify the
size of the region. Remove the define and just open code the value.
Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: NIan Abbott <abbotti@mev.co.uk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_atmio.c

@@ -105,8 +105,6 @@ are not supported.
  *  AT specific setup
  */
 
-#define NI_SIZE 0x20
-
 static const struct ni_board_struct ni_boards[] = {
 	{.device_id = 44,
 	 .isapnp_id = 0x0000,	/* XXX unknown */
@@ -344,7 +342,7 @@ static int ni_atmio_attach(struct comedi_device *dev,
 		comedi_set_hw_dev(dev, &isapnp_dev->dev);
 	}
 
-	ret = comedi_request_region(dev, iobase, NI_SIZE);
+	ret = comedi_request_region(dev, iobase, 0x20);
 	if (ret)
 		return ret;