ASoC: mediatek: mt8195: Fix unused initialization of pointer etdm_data

The pointer etdm_data is being inintialized with a value that is never
read, it is later being re-assigned a new value. Remove the redundant
initialization.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20210903114928.11743-1-colin.king@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/mt8195/mt8195-dai-etdm.c

@@ -2094,7 +2094,7 @@ static int mtk_dai_etdm_set_sysclk(struct snd_soc_dai *dai,
 {
 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
-	struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id];
+	struct mtk_dai_etdm_priv *etdm_data;
 	int dai_id;
 
 	dev_dbg(dai->dev, "%s id %d freq %u, dir %d\n",