ASoC: rockchip: rockchip_rt5645: 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/rockchip/rockchip_rt5645.c

@@ -137,8 +137,7 @@ static const struct snd_soc_ops rk_aif1_ops = {
 
 SND_SOC_DAILINK_DEFS(pcm,
 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
-	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1")),
-	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1")));
 
 static struct snd_soc_dai_link rk_dailink = {
 	.name = "rt5645",
@@ -190,8 +189,6 @@ static int snd_rk_mc_probe(struct platform_device *pdev)
 		goto put_codec_of_node;
 	}
 
-	rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;
-
 	ret = snd_soc_of_parse_card_name(card, "rockchip,model");
 	if (ret) {
 		dev_err(&pdev->dev,