[PATCH] atiixp_modem printk fixes

Correctly identify atiixp_modem in its error messages.

Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Cc: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>