ASoC: SOF: topology: Fix unload for SAI/ESAI

Link unload now fails for ESAI/SAI DAIs with:

"error: invalid DAI type 6" because DAI type is not
properly handled.

Fix this by correctly handling cases where type is ESAI or SAI.

Fixes: a4eff5f8 ("ASoC: SOF: imx: Read ESAI parameters and send them to DSP")
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191126141606.21650-1-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/topology.c

@@ -3132,7 +3132,9 @@ static int sof_link_unload(struct snd_soc_component *scomp,
 	case SOF_DAI_INTEL_SSP:
 	case SOF_DAI_INTEL_DMIC:
 	case SOF_DAI_INTEL_ALH:
-		/* no resource needs to be released for SSP, DMIC and ALH */
+	case SOF_DAI_IMX_SAI:
+	case SOF_DAI_IMX_ESAI:
+		/* no resource needs to be released for all cases above */
 		break;
 	case SOF_DAI_INTEL_HDA:
 		ret = sof_link_hda_unload(sdev, link);