The `comedi_board(dev)` inline function calls just return
`dev->board_ptr`.  Expand the inline function calls.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
        /* int i; */
-       const struct dt2811_board *board = comedi_board(dev);
+       const struct dt2811_board *board = dev->board_ptr;
        struct dt2811_private *devpriv;
        int ret;
        struct comedi_subdevice *s;