ASoC: samsung: arndale_rt5631: don't select unnecessary Platform

ALSA SoC is now supporting "no Platform". Sound card doesn't need to
select "CPU component" as "Platform" anymore if it doesn't need
special Platform.
This patch removes such settings.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/samsung/arndale_rt5631.c

@@ -52,8 +52,7 @@ static struct snd_soc_ops arndale_ops = {
 
 SND_SOC_DAILINK_DEFS(rt5631_hifi,
 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
-	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5631-hifi")),
-	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5631-hifi")));
 
 static struct snd_soc_dai_link arndale_rt5631_dai[] = {
 	{
@@ -93,9 +92,6 @@ static int arndale_audio_probe(struct platform_device *pdev)
 				return -EINVAL;
 			}
 		}
-		if (!arndale_rt5631_dai[n].platforms->name)
-			arndale_rt5631_dai[n].platforms->of_node =
-					arndale_rt5631_dai[n].cpus->of_node;
 
 		arndale_rt5631_dai[n].codecs->name = NULL;
 		arndale_rt5631_dai[n].codecs->of_node = of_parse_phandle(np,