ASoC: Intel: add support for pcm stream suspend/resume

The driver didn't implement support for pcm stream suspend and resume, so
add it

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/sst-mfld-platform-pcm.c

@@ -594,11 +594,13 @@ static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream,
 		ret_val = stream->ops->stream_drop(sst->dev, str_id);
 		break;
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
 		dev_dbg(rtd->dev, "sst: in pause\n");
 		status = SST_PLATFORM_PAUSED;
 		ret_val = stream->ops->stream_pause(sst->dev, str_id);
 		break;
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+	case SNDRV_PCM_TRIGGER_RESUME:
 		dev_dbg(rtd->dev, "sst: in pause release\n");
 		status = SST_PLATFORM_RUNNING;
 		ret_val = stream->ops->stream_pause_release(sst->dev, str_id);