ALSA: Add missing KERN_* prefix to printk in sound/drivers

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c
index 87ba1dd..1a05b2d 100644
--- a/sound/drivers/mts64.c
+++ b/sound/drivers/mts64.c
@@ -1015,7 +1015,7 @@
 		goto __err;
 	}
 
-	snd_printk("ESI Miditerminal 4140 on 0x%lx\n", p->base);
+	snd_printk(KERN_INFO "ESI Miditerminal 4140 on 0x%lx\n", p->base);
 	return 0;
 
 __err: