Staging: comedi: Altered the way printk is used in 8255.c

This patch moves around the use of printk calls in 8255.c to include accurate
logging levels and in turn fixes a few warnings from checkpatch.

Signed-off-by: Mark Rankilor <reodge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>