ASoC: Intel: sof-sdw: fix missing SPI_MASTER dependency

The addition of the Cirrus Logic 'sidecar' amps adds a dependency on SPI_MASTER.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SND_SOC_CS35L56_SPI
   Depends on [n]:
     SOUND [=y] && SND [=y] && SND_SOC [=y] && SPI_MASTER [=n] &&
     (SOUNDWIRE [=y] || !SOUNDWIRE [=y])
   Selected by [y]:
    - SND_SOC_INTEL_SOUNDWIRE_SOF_MACH [=y] && SOUND [=y] && SND [=y]
      && SND_SOC [=y] && SND_SOC_INTEL_MACH [=y] &&
      SND_SOC_SOF_INTEL_SOUNDWIRE [=y] && I2C [=y] && ACPI [=y] &&
      (MFD_INTEL_LPSS [=y] || COMPILE_TEST [=n]) &&
      (SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES [=y] || COMPILE_TEST
      [=n]) && SOUNDWIRE [=y]

Fixes: b831b4dc ("ASoC: intel: sof_sdw: Add support for cs42l43-cs35l56 sidecar amps")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202405140758.o2HY4nYD-lkp@intel.com/Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://msgid.link/r/20240527191940.30107-1-pierre-louis.bossart@linux.intel.comReviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/Kconfig

@@ -652,7 +652,7 @@ if SND_SOC_SOF_INTEL_SOUNDWIRE
 
 config SND_SOC_INTEL_SOUNDWIRE_SOF_MACH
 	tristate "SoundWire generic machine driver"
-	depends on I2C && ACPI
+	depends on I2C && SPI_MASTER && ACPI
 	depends on MFD_INTEL_LPSS || COMPILE_TEST
 	depends on SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES || COMPILE_TEST
 	depends on SOUNDWIRE