staging: comedi: adl_pci9118: replace comedi_board() calls

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/adl_pci9118.c

@@ -1521,7 +1521,7 @@ static void pci9118_free_dma(struct comedi_device *dev)
 static int pci9118_common_attach(struct comedi_device *dev,
 				 int ext_mux, int softsshdelay)
 {
-	const struct pci9118_boardinfo *board = comedi_board(dev);
+	const struct pci9118_boardinfo *board = dev->board_ptr;
 	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
 	struct pci9118_private *devpriv;
 	struct comedi_subdevice *s;