isdn/gigaset: reduce syslog spam

Downgrade some error messages which occur frequently during
normal operation to debug messages.

Impact: logging
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tilman Schmidt 2010-07-05 14:19:14 +00:00 • committed by David S. Miller
commit 7d060ed287