ASoC: SOF: Intel: set the DMA TLV device as dai_index

We've already defined the value for dai_index, let's use it instead of
open-coding the same thing. No functionality change.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240402151828.175002-9-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/hda-dai.c

@@ -533,7 +533,7 @@ int sdw_hda_dai_hw_params(struct snd_pcm_substream *substream,
 	ipc4_copier = widget_to_copier(w);
 	dma_config_tlv = &ipc4_copier->dma_config_tlv[cpu_dai_id];
 	dma_config = &dma_config_tlv->dma_config;
-	dma_config->dma_stream_channel_map.mapping[0].device = link_id << 8 | cpu_dai->id;
+	dma_config->dma_stream_channel_map.mapping[0].device = data.dai_index;
 	dma_config->dma_stream_channel_map.mapping[0].channel_mask = ch_mask;
 
 	/*