ASoC: Intel: sof-sdw: don't set card long_name

UCM can load a board-specific file based on the card long_name. Remove
the constant "Intel Soundwire SOF" long_name so that the ASoC core can
set the long_name based on DMI information.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@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://lore.kernel.org/r/20240426152123.36284-8-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/sof_sdw.c

@@ -1879,9 +1879,6 @@ static int sof_sdw_card_late_probe(struct snd_soc_card *card)
 	return ret;
 }
 
-/* SoC card */
-static const char sdw_card_long_name[] = "Intel Soundwire SOF";
-
 /* helper to get the link that the codec DAI is used */
 static struct snd_soc_dai_link *mc_find_codec_dai_used(struct snd_soc_card *card,
 						       const char *dai_name)
@@ -1999,8 +1996,6 @@ static int mc_probe(struct platform_device *pdev)
 			return -ENOMEM;
 	}
 
-	card->long_name = sdw_card_long_name;
-
 	/* Register the card */
 	ret = devm_snd_soc_register_card(card->dev, card);
 	if (ret) {