ASoC: vc4: vc4_hdmi: 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>

drivers/gpu/drm/vc4/vc4_hdmi.c

@@ -71,7 +71,6 @@ struct vc4_hdmi_audio {
 	struct snd_soc_dai_link link;
 	struct snd_soc_dai_link_component cpu;
 	struct snd_soc_dai_link_component codec;
-	struct snd_soc_dai_link_component platform;
 	int samplerate;
 	int channels;
 	struct snd_dmaengine_dai_dma_data dma_data;
@@ -1101,18 +1100,15 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi)
 
 	dai_link->cpus		= &hdmi->audio.cpu;
 	dai_link->codecs	= &hdmi->audio.codec;
-	dai_link->platforms	= &hdmi->audio.platform;
 
 	dai_link->num_cpus	= 1;
 	dai_link->num_codecs	= 1;
-	dai_link->num_platforms	= 1;
 
 	dai_link->name = "MAI";
 	dai_link->stream_name = "MAI PCM";
 	dai_link->codecs->dai_name = vc4_hdmi_audio_codec_dai_drv.name;
 	dai_link->cpus->dai_name = dev_name(dev);
 	dai_link->codecs->name = dev_name(dev);
-	dai_link->platforms->name = dev_name(dev);
 
 	card->dai_link = dai_link;
 	card->num_links = 1;