ASoC: mediatek: remove unnecessary initialization

Cppcheck warning:

sound/soc/mediatek/common/mtk-afe-fe-dai.c:353:8: style: Variable 'i'
is assigned a value that is never used. [unreadVariable]
 int i = 0;
       ^
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211025185933.144327-6-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/common/mtk-afe-fe-dai.c

@@ -350,7 +350,7 @@ int mtk_afe_resume(struct snd_soc_component *component)
 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct device *dev = afe->dev;
 	struct regmap *regmap = afe->regmap;
-	int i = 0;
+	int i;
 
 	if (pm_runtime_status_suspended(dev) || !afe->suspended)
 		return 0;