staging: most: aim-sound style fixess

Replace hardcoded function name with __func__

Signed-off-by: Dhananjay Balan <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

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

···
 		return 0;
 
 	default:
-		pr_info("pcm_trigger(), invalid\n");
+		pr_info("%s(), invalid\n", __func__);
 		return -EINVAL;
 	}
 	return 0;