ASoC: SOF: soundwire: add initial soundwire support

Add soundwire dai type and update ABI version.

Signed-off-by: Pan Xiuli <xiuli.pan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/sof/dai.h

@@ -49,6 +49,7 @@ enum sof_ipc_dai_type {
 	SOF_DAI_INTEL_SSP,		/**< Intel SSP */
 	SOF_DAI_INTEL_DMIC,		/**< Intel DMIC */
 	SOF_DAI_INTEL_HDA,		/**< Intel HD/A */
+	SOF_DAI_INTEL_SOUNDWIRE,	/**< Intel SoundWire */
 };
 
 /* general purpose DAI configuration */