ALSA: sh: Put missing KERN_* prefix

sh audio driver prints its presence at probe function but a proper
KERN_ prefix is missing.  Put KERN_INFO there as it's merely an
advertisement.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/sh/sh_dac_audio.c

@@ -424,7 +424,7 @@ static int snd_sh_dac_probe(struct platform_device *devptr)
 	if (err < 0)
 		goto probe_error;
 
-	snd_printk("ALSA driver for SuperH DAC audio");
+	snd_printk(KERN_INFO "ALSA driver for SuperH DAC audio");
 
 	platform_set_drvdata(devptr, card);
 	return 0;