ASoC: rockchip: multicodecs: fix the missing return 0 at hw_param

Here the -ENOTSUPP is not an error if there is no set_sysclk
implement in codec_dai and cpu_dai, we need to return 0 that
it's correct.

Change-Id: I969e3eacba39ac8d6c94ddcc27c60cc110d66156
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>

sound/soc/rockchip/rockchip_multicodecs.c

@@ -60,6 +60,8 @@ static int rk_multicodecs_hw_params(struct snd_pcm_substream *substream,
 		goto out;
 	}
 
+	return 0;
+
 out:
 	return ret;
 }