ASoC: rt9120: 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 an I2S DAI and as such should
have endianness applied.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220504170905.332415-24-ckeepax@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt9120.c

@@ -178,6 +178,7 @@ static const struct snd_soc_component_driver rt9120_component_driver = {
 	.num_dapm_widgets = ARRAY_SIZE(rt9120_dapm_widgets),
 	.dapm_routes = rt9120_dapm_routes,
 	.num_dapm_routes = ARRAY_SIZE(rt9120_dapm_routes),
+	.endianness = 1,
 };
 
 static int rt9120_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)