ASoC: mediatek: mt8188-mt6359: add i2c dependency

The newly added driver is missing this dependency, causing a possible
build failure:

WARNING: unmet direct dependencies detected for SND_SOC_MAX98390
WARNING: unmet direct dependencies detected for SND_SOC_NAU8825
  Depends on [m]: SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && I2C [=m]
  Selected by [y]:
  - SND_SOC_MT8188_MT6359 [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y] && SND_SOC_MT8188 [=y] && MTK_PMIC_WRAP [=y]
aarch64-linux-ld: sound/soc/codecs/max98390.o: in function `max98390_i2c_probe':
max98390.c:(.text+0x514): undefined reference to `__devm_regmap_init_i2c'

Fixes: 9f08dcbd ("ASoC: mediatek: mt8188-mt6359: support new board with nau88255")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230607120831.3587379-1-arnd@kernel.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/Kconfig

@@ -223,6 +223,7 @@ config SND_SOC_MT8188
 config SND_SOC_MT8188_MT6359
 	tristate "ASoC Audio driver for MT8188 with MT6359 and I2S codecs"
 	depends on SND_SOC_MT8188 && MTK_PMIC_WRAP
+	depends on I2C
 	select SND_SOC_MT6359
 	select SND_SOC_HDMI_CODEC
 	select SND_SOC_DMIC