ASoC: SOF: Intel: hda: add new macro hstream_to_sof_hda_stream()

Add a new macro to get sof_intel_hda_stream from hdac_ext_stream.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/hda.h

@@ -415,6 +415,9 @@ struct sof_intel_hda_stream {
 	int hw_params_upon_resume; /* set up hw_params upon resume */
 };
 
+#define hstream_to_sof_hda_stream(hstream) \
+	container_of(hstream, struct sof_intel_hda_stream, hda_stream)
+
 #define bus_to_sof_hda(bus) \
 	container_of(bus, struct sof_intel_hda_dev, hbus.core)