ASoC: atmel: sam9g20_wm8731: 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/atmel/sam9g20_wm8731.c

@@ -131,8 +131,7 @@ static int at91sam9g20ek_wm8731_init(struct snd_soc_pcm_runtime *rtd)
 
 SND_SOC_DAILINK_DEFS(pcm,
 	DAILINK_COMP_ARRAY(COMP_CPU("at91rm9200_ssc.0")),
-	DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")),
-	DAILINK_COMP_ARRAY(COMP_PLATFORM("at91rm9200_ssc.0")));
+	DAILINK_COMP_ARRAY(COMP_CODEC("wm8731.0-001b", "wm8731-hifi")));
 
 static struct snd_soc_dai_link at91sam9g20ek_dai = {
 	.name = "WM8731",
@@ -223,14 +222,12 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
 
 	/* Parse dai and platform info */
 	at91sam9g20ek_dai.cpus->dai_name = NULL;
-	at91sam9g20ek_dai.platforms->name = NULL;
 	cpu_np = of_parse_phandle(np, "atmel,ssc-controller", 0);
 	if (!cpu_np) {
 		dev_err(&pdev->dev, "dai and pcm info missing\n");
 		return -EINVAL;
 	}
 	at91sam9g20ek_dai.cpus->of_node = cpu_np;
-	at91sam9g20ek_dai.platforms->of_node = cpu_np;
 
 	of_node_put(codec_np);
 	of_node_put(cpu_np);