Add audio support for the MediaTek Genio 350-evk

Merge series from amergnat@baylibre.com:

This serie aim to add the following audio support for the Genio 350-evk:
- Playback
  - 2ch Headset Jack (Earphone)
  - 1ch Line-out Jack (Speaker)
  - 8ch HDMI Tx
- Capture
  - 1ch DMIC (On-board Digital Microphone)
  - 1ch AMIC (On-board Analogic Microphone)
  - 1ch Headset Jack (External Analogic Microphone)

Of course, HDMI playback need the MT8365 display patches [1] and a DTS
change documented in "mediatek,mt8365-mt6357.yaml".

Author: broonie

sound/soc/codecs/Kconfig

@@ -157,6 +157,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_MC13783
 	imply SND_SOC_ML26124
 	imply SND_SOC_MT6351
+	imply SND_SOC_MT6357
 	imply SND_SOC_MT6358
 	imply SND_SOC_MT6359
 	imply SND_SOC_MT6660
@@ -2501,6 +2502,12 @@ config SND_SOC_ML26124
 config SND_SOC_MT6351
 	tristate "MediaTek MT6351 Codec"
 
+config SND_SOC_MT6357
+	tristate "MediaTek MT6357 Codec"
+	help
+	  Enable support for the platform which uses MT6357 as
+	  external codec device.
+
 config SND_SOC_MT6358
 	tristate "MediaTek MT6358 Codec"
 	help

sound/soc/codecs/Makefile

@@ -177,6 +177,7 @@ snd-soc-ml26124-y := ml26124.o
 snd-soc-msm8916-analog-y := msm8916-wcd-analog.o
 snd-soc-msm8916-digital-y := msm8916-wcd-digital.o
 snd-soc-mt6351-y := mt6351.o
+snd-soc-mt6357-y := mt6357.o
 snd-soc-mt6358-y := mt6358.o
 snd-soc-mt6359-y := mt6359.o
 snd-soc-mt6359-accdet-y := mt6359-accdet.o
@@ -578,6 +579,7 @@ obj-$(CONFIG_SND_SOC_ML26124)	+= snd-soc-ml26124.o
 obj-$(CONFIG_SND_SOC_MSM8916_WCD_ANALOG) +=snd-soc-msm8916-analog.o
 obj-$(CONFIG_SND_SOC_MSM8916_WCD_DIGITAL) +=snd-soc-msm8916-digital.o
 obj-$(CONFIG_SND_SOC_MT6351)	+= snd-soc-mt6351.o
+obj-$(CONFIG_SND_SOC_MT6357)	+= snd-soc-mt6357.o
 obj-$(CONFIG_SND_SOC_MT6358)	+= snd-soc-mt6358.o
 obj-$(CONFIG_SND_SOC_MT6359)	+= snd-soc-mt6359.o
 obj-$(CONFIG_SND_SOC_MT6359_ACCDET) += mt6359-accdet.o