staging: most: aim-sound style fixess

Replace hardcoded function name with __func__

Signed-off-by: Dhananjay Balan <mail@dbalan.in>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/most/aim-sound/sound.c

@@ -429,7 +429,7 @@ static int pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 		return 0;
 
 	default:
-		pr_info("pcm_trigger(), invalid\n");
+		pr_info("%s(), invalid\n", __func__);
 		return -EINVAL;
 	}
 	return 0;