ASoC: Intel: remove redundant select SND_SOC_INTEL_SST

SND_SOC_INTEL_SKYLAKE selects SND_SOC_INTEL_SST already. Thus no need to
duplicate. Remove duplications.
Acked-by: Vinod Koul <vinod.koul@intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/Kconfig

@@ -68,7 +68,6 @@ config SND_SOC_INTEL_HASWELL_MACH
 config SND_SOC_INTEL_BXT_DA7219_MAX98357A_MACH
 	tristate "ASoC Audio driver for Broxton with DA7219 and MAX98357A in I2S Mode"
 	depends on X86 && ACPI && I2C
-	select SND_SOC_INTEL_SST
 	select SND_SOC_INTEL_SKYLAKE
 	select SND_SOC_DA7219
 	select SND_SOC_MAX98357A
@@ -84,7 +83,6 @@ config SND_SOC_INTEL_BXT_DA7219_MAX98357A_MACH
 config SND_SOC_INTEL_BXT_RT298_MACH
 	tristate "ASoC Audio driver for Broxton with RT298 I2S mode"
 	depends on X86 && ACPI && I2C
-	select SND_SOC_INTEL_SST
 	select SND_SOC_INTEL_SKYLAKE
 	select SND_SOC_RT298
 	select SND_SOC_DMIC
@@ -220,7 +218,6 @@ config SND_SOC_INTEL_SKYLAKE
 config SND_SOC_INTEL_SKL_RT286_MACH
 	tristate "ASoC Audio driver for SKL with RT286 I2S mode"
 	depends on X86 && ACPI && I2C
-	select SND_SOC_INTEL_SST
 	select SND_SOC_INTEL_SKYLAKE
 	select SND_SOC_RT286
 	select SND_SOC_DMIC
@@ -234,7 +231,6 @@ config SND_SOC_INTEL_SKL_RT286_MACH
 config SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH
 	tristate "ASoC Audio driver for SKL with NAU88L25 and SSM4567 in I2S Mode"
 	depends on X86_INTEL_LPSS && I2C
-	select SND_SOC_INTEL_SST
 	select SND_SOC_INTEL_SKYLAKE
 	select SND_SOC_NAU8825
 	select SND_SOC_SSM4567
@@ -249,7 +245,6 @@ config SND_SOC_INTEL_SKL_NAU88L25_SSM4567_MACH
 config SND_SOC_INTEL_SKL_NAU88L25_MAX98357A_MACH
 	tristate "ASoC Audio driver for SKL with NAU88L25 and MAX98357A in I2S Mode"
 	depends on X86_INTEL_LPSS && I2C
-	select SND_SOC_INTEL_SST
 	select SND_SOC_INTEL_SKYLAKE
 	select SND_SOC_NAU8825
 	select SND_SOC_MAX98357A