ASoC: Intel: clarify Kconfig dependencies

Introduce more logical dependencies, with the SOC selected first and the
relevant machine drivers are exposed.
The same mechanism will be used for SOF support.

Also select SND_SOC_ACPI_INTEL_MATCH for all machine drivers
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/Kconfig

-config SND_SST_ATOM_HIFI2_PLATFORM
-	tristate
-	select SND_SOC_COMPRESS
-
 config SND_SST_IPC
 	tristate
 
@@ -20,9 +16,7 @@ config SND_SOC_INTEL_COMMON
 
 config SND_SOC_INTEL_SST
 	tristate
-	select SND_SOC_INTEL_COMMON
 	select SND_SOC_INTEL_SST_ACPI if ACPI
-	select SND_SOC_ACPI_INTEL_MATCH if ACPI
 
 config SND_SOC_INTEL_SST_FIRMWARE
 	tristate
@@ -35,18 +29,31 @@ config SND_SOC_ACPI_INTEL_MATCH
 	tristate
 	select SND_SOC_ACPI if ACPI
 
+config SND_SOC_INTEL_SST_TOPLEVEL
+	tristate "Intel ASoC SST drivers"
+	select SND_SOC_INTEL_MACH
+	select SND_SOC_INTEL_COMMON
+
 config SND_SOC_INTEL_HASWELL
-	tristate
+	tristate "Intel ASoC SST driver for Haswell/Broadwell"
+	depends on SND_SOC_INTEL_SST_TOPLEVEL
 	select SND_SOC_INTEL_SST
 	select SND_SOC_INTEL_SST_FIRMWARE
 
 config SND_SOC_INTEL_BAYTRAIL
-	tristate
+	tristate "Intel ASoC SST driver for Baytrail (legacy)"
+	depends on SND_SOC_INTEL_SST_TOPLEVEL
 	select SND_SOC_INTEL_SST
 	select SND_SOC_INTEL_SST_FIRMWARE
 
+config SND_SST_ATOM_HIFI2_PLATFORM
+	tristate "Intel ASoC SST driver for HiFi2 platforms (*field, *trail)"
+	depends on SND_SOC_INTEL_SST_TOPLEVEL
+	select SND_SOC_COMPRESS
+
 config SND_SOC_INTEL_SKYLAKE
-	tristate
+	tristate "Intel ASoC SST driver for SKL/BXT/KBL/GLK/CNL"
+	depends on SND_SOC_INTEL_SST_TOPLEVEL
 	select SND_HDA_EXT_CORE
 	select SND_HDA_DSP_LOADER
 	select SND_SOC_TOPOLOGY