ASoC: atmel: spdiftx: remove interface name from stream_name

Remove the interface name from the stream_name. The interface name (and the
index of the interface) can be set in DT using the sound-name-prefix string
property.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>

Author: Codrin Ciubotariu

sound/soc/atmel/mchp-spdiftx.c

@@ -743,7 +743,7 @@ static struct snd_soc_dai_driver mchp_spdiftx_dai = {
 	.probe	= mchp_spdiftx_dai_probe,
 	.remove	= mchp_spdiftx_dai_remove,
 	.playback = {
-		.stream_name = "S/PDIF Playback",
+		.stream_name = "Playback",
 		.channels_min = 1,
 		.channels_max = 2,
 		.rates = MCHP_SPDIFTX_RATES,