ASoC: codecs: wcd938x: constify static struct snd_soc_dai_ops

The snd_soc_dai_ops structures is only stored in the ops field of a
snd_soc_dai_driver structure, so make the snd_soc_dai_ops structure
const to allow the compiler to put it in read-only memory.

Signed-off-by: Pu Lehui <pulehui@huawei.com>
Link: https://lore.kernel.org/r/20210615113324.238837-1-pulehui@huawei.com


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