ASoC: Intel: Remove kbl_rt5660 board driver

The driver has no users.

Succeeded by:
- avs_rt5660 (./intel/avs/boards/rt5660.c)
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20240814083929.1217319-8-cezary.rojewski@intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/Kconfig

@@ -348,18 +348,6 @@ config SND_SOC_INTEL_KBL_DA7219_MAX98927_MACH
 	  Say Y if you have such a device.
 	  If unsure select "N".
 
-config SND_SOC_INTEL_KBL_RT5660_MACH
-	tristate "KBL with RT5660 in I2S Mode"
-	depends on I2C && ACPI
-	depends on MFD_INTEL_LPSS || COMPILE_TEST
-	depends on GPIOLIB || COMPILE_TEST
-	select SND_SOC_RT5660
-	select SND_SOC_HDAC_HDMI
-	help
-	  This adds support for ASoC Onboard Codec I2S machine driver. This will
-	  create an alsa sound card for RT5660 I2S audio codec.
-	  Say Y if you have such a device.
-
 endif ## SND_SOC_INTEL_KBL
 
 if SND_SOC_SOF_GEMINILAKE

sound/soc/intel/boards/Makefile

@@ -23,7 +23,6 @@ snd-soc-sof_nau8825-y := sof_nau8825.o
 snd-soc-sof_da7219-y := sof_da7219.o
 snd-soc-kbl_da7219_max98357a-y := kbl_da7219_max98357a.o
 snd-soc-kbl_da7219_max98927-y := kbl_da7219_max98927.o
-snd-soc-kbl_rt5660-y := kbl_rt5660.o
 snd-soc-skl_rt286-y := skl_rt286.o
 snd-soc-skl_hda_dsp-y := skl_hda_dsp_generic.o skl_hda_dsp_common.o
 snd-skl_nau88l25_max98357a-y := skl_nau88l25_max98357a.o
@@ -65,7 +64,6 @@ obj-$(CONFIG_SND_SOC_INTEL_BYT_CHT_ES8316_MACH) += snd-soc-sst-byt-cht-es8316.o
 obj-$(CONFIG_SND_SOC_INTEL_BYT_CHT_NOCODEC_MACH) += snd-soc-sst-byt-cht-nocodec.o
 obj-$(CONFIG_SND_SOC_INTEL_KBL_DA7219_MAX98357A_MACH) += snd-soc-kbl_da7219_max98357a.o
 obj-$(CONFIG_SND_SOC_INTEL_KBL_DA7219_MAX98927_MACH) += snd-soc-kbl_da7219_max98927.o
-obj-$(CONFIG_SND_SOC_INTEL_KBL_RT5660_MACH) += snd-soc-kbl_rt5660.o
 obj-$(CONFIG_SND_SOC_INTEL_SKL_RT286_MACH) += snd-soc-skl_rt286.o
 obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_MAX98357A_MACH) += snd-skl_nau88l25_max98357a.o
 obj-$(CONFIG_SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH) += snd-soc-skl_nau88l25_ssm4567.o