ASoC: wcd934x: 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.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
Link: https://lore.kernel.org/r/20210408062648.803227-1-yebin10@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/wcd934x.c

@@ -1946,7 +1946,7 @@ static int wcd934x_get_channel_map(struct snd_soc_dai *dai,
 	return 0;
 }
 
-static struct snd_soc_dai_ops wcd934x_dai_ops = {
+static const struct snd_soc_dai_ops wcd934x_dai_ops = {
 	.hw_params = wcd934x_hw_params,
 	.hw_free = wcd934x_hw_free,
 	.trigger = wcd934x_trigger,