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: 2c394ca7 ("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>