staging: comedi: 8255.c: reformat remaining block comments

Use the usual block comment formatting style.
Signed-off-by: NIan Abbott <abbotti@mev.co.uk>
Reviewed-by: NH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/8255.c

@@ -264,10 +264,9 @@ int subdev_8255_mm_init(struct comedi_device *dev, struct comedi_subdevice *s,
 	return __subdev_8255_init(dev, s, io, regbase, true);
 }
 EXPORT_SYMBOL_GPL(subdev_8255_mm_init);
-/*
-
-   Start of the 8255 standalone device
 
+/*
+ * Start of the 8255 standalone device
  */
 
 static int dev_8255_attach(struct comedi_device *dev,