This is a patch to the das1800.c file that fixes up a
printk warning found by the checkpatch.pl tool.

Converted printk to dev_<levels>.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankar.km@greenturtles.in>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>