ALSA: ac97: Use standard printk helpers

Convert with dev_err() and co from snd_printk(), etc.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 66a3bc9..9917622 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -3477,7 +3477,8 @@
 
 		sctl = snd_ac97_find_mixer_ctl(ac97, *s);
 		if (!sctl) {
-			snd_printdd("Cannot find slave %s, skipped\n", *s);
+			dev_dbg(ac97->bus->card->dev,
+				"Cannot find slave %s, skipped\n", *s);
 			continue;
 		}
 		err = snd_ctl_add_slave(kctl, sctl);