staging/comedi: Use dev_ printks in drivers/adl_pci8164.c

fixed below checkpatch warning.
- WARNING: Prefer netdev_dbg(netdev, ... then dev_dbg(dev, ... then pr_debug(...  to printk(KERN_DEBUG ...
Signed-off-by: YAMANE Toshiaki <yamanetoshi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/adl_pci8164.c

@@ -89,9 +89,9 @@ static void adl_pci8164_insn_read(struct comedi_device *dev,
 	}
 
 	data[0] = inw(dev->iobase + axis_reg + offset);
-	printk(KERN_DEBUG "comedi: pci8164 %s read -> "
-						  "%04X:%04X on axis %s\n",
-				action, data[0], data[1], axisname);
+	dev_dbg(dev->class_dev,
+		"pci8164 %s read -> %04X:%04X on axis %s\n",
+		action, data[0], data[1], axisname);
 }
 
 static int adl_pci8164_insn_read_msts(struct comedi_device *dev,
@@ -170,9 +170,9 @@ static void adl_pci8164_insn_out(struct comedi_device *dev,
 
 	outw(data[0], dev->iobase + axis_reg + offset);
 
-	printk(KERN_DEBUG "comedi: pci8164 %s write -> "
-						"%04X:%04X on axis %s\n",
-				action, data[0], data[1], axisname);
+	dev_dbg(dev->class_dev,
+		"pci8164 %s write -> %04X:%04X on axis %s\n",
+		action, data[0], data[1], axisname);
 
 }