Staging: comedi: pcmad: [PATCH 3/3] cleanup printk() warnings

cleanup printk() warnings for including the facility level.
cleanup add a printk("\n") to terminate the print for the non-error case.


Signed-off-by: Bruce Beare <bbeare1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>