ASoC: hdmi-codec: zero clear HDMI pdata

commit f77a066f ("ASoC: hdmi-codec: Allow playback and capture
to be disabled") added new no_i2s_playback/capture.
We need to zero clear HDMI pdata first, otherwise unexpected flag
will be added.

Fixes: f77a066f ("ASoC: hdmi-codec: Allow playback and capture to be disabled")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87k01hlnqj.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c

@@ -193,6 +193,7 @@ static int snd_dw_hdmi_probe(struct platform_device *pdev)
 	struct hdmi_codec_pdata pdata;
 	struct platform_device *platform;
 
+	memset(&pdata, 0, sizeof(pdata));
 	pdata.ops		= &dw_hdmi_i2s_ops;
 	pdata.i2s		= 1;
 	pdata.max_i2s_channels	= 8;