ASoC: cs42l51: Remove redundant big endian formats

The CODEC already provides the endianness flag on its
snd_soc_component_driver structure, specifying it is ambivalent
to endian. The core will expand the formats to cover both
endian types, as such remove the redundant specification of both
endians.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220504170905.332415-6-ckeepax@opensource.cirrus.com


Signed-off-by: Mark Brown <broonie@kernel.org>