ASoC: Intel: add mutual exclusion between SOF and legacy Baytrail driver

This legacy driver is already deprecated, let's make sure there is no
conflict with SOF.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191101173045.27099-4-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/Kconfig

@@ -65,7 +65,7 @@ config SND_SOC_INTEL_HASWELL
 
 config SND_SOC_INTEL_BAYTRAIL
 	tristate "Baytrail (legacy) Platforms"
-	depends on DMADEVICES && ACPI && SND_SST_ATOM_HIFI2_PLATFORM=n
+	depends on DMADEVICES && ACPI && SND_SST_ATOM_HIFI2_PLATFORM=n && SND_SOC_SOF_BAYTRAIL=n
 	select SND_SOC_INTEL_SST
 	select SND_SOC_INTEL_SST_ACPI
 	select SND_SOC_INTEL_SST_FIRMWARE