[PATCH] pktcdvd: Don't spam the kernel log when nothing is wrong

Change some messages that don't indicate an error so that they are only
printed when debugging is enabled.

Signed-off-by: Peter Osterlund <petero2@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>