ASoC: SOF: Intel: add hyphen between name and index to amp name_prefix

For those amps that use their name as name prefix the amp id should be
added after a hyphen symbol. Like "rt1320-1".

Fixes: 5226d19 ("ASoC: SOF: Intel: use sof_sdw as default SDW machine driver")
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>

Author: shumingfan

sound/soc/sof/intel/hda.c

@@ -1261,7 +1261,7 @@ static struct snd_soc_acpi_adr_device *find_acpi_adr_device(struct device *dev,
 			break;
 		}
 	} else {
-		adr_dev[index].name_prefix = devm_kasprintf(dev, GFP_KERNEL, "%s%d",
+		adr_dev[index].name_prefix = devm_kasprintf(dev, GFP_KERNEL, "%s-%d",
 							    name_prefix,
 							    *amp_index);
 	}