ASoC: rt715: Add endianness flag in snd_soc_component_driver

The endianness flag is used on the CODEC side to specify an
ambivalence to endian, typically because it is lost over the hardware
link. This device receives audio over a SoundWire DAI and as such
should have endianness applied.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220504170905.332415-33-ckeepax@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt715.c

@@ -745,6 +745,7 @@ static const struct snd_soc_component_driver soc_codec_dev_rt715 = {
 	.num_dapm_widgets = ARRAY_SIZE(rt715_dapm_widgets),
 	.dapm_routes = rt715_audio_map,
 	.num_dapm_routes = ARRAY_SIZE(rt715_audio_map),
+	.endianness = 1,
 };
 
 static int rt715_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,