ASoC: Intel: KMB: 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/20210408062653.803478-1-yebin10@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/keembay/kmb_platform.c

@@ -729,7 +729,7 @@ static int kmb_dai_hw_free(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_dai_ops kmb_dai_ops = {
+static const struct snd_soc_dai_ops kmb_dai_ops = {
 	.startup	= kmb_dai_startup,
 	.trigger	= kmb_dai_trigger,
 	.hw_params	= kmb_dai_hw_params,