ASoC: cs42l42: Don't allow SND_SOC_DAIFMT_LEFT_J

The driver has no support for left-justified protocol so it should
not have been allowing this to be passed to cs42l42_set_dai_fmt().

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: 2c394ca796 ("ASoC: Add support for CS42L42 codec")
Link: https://lore.kernel.org/r/20210729170929.6589-2-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs42l42.c

@@ -788,7 +788,6 @@ static int cs42l42_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 	/* interface format */
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 	case SND_SOC_DAIFMT_I2S:
-	case SND_SOC_DAIFMT_LEFT_J:
 		break;
 	default:
 		return -EINVAL;