ASoC: ti: Constify static snd_soc_ops

These are only assigned to the ops field in the snd_soc_dai_link struct
which is a pointer to const struct snd_soc_ops. Make them const to allow
the compiler to put them in read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20210929093121.21253-1-rikard.falkeborn@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/ti/davinci-evm.c

@@ -73,7 +73,7 @@ static int evm_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_ops evm_ops = {
+static const struct snd_soc_ops evm_ops = {
 	.startup = evm_startup,
 	.shutdown = evm_shutdown,
 	.hw_params = evm_hw_params,

sound/soc/ti/omap-abe-twl6040.c

@@ -96,7 +96,7 @@ static int omap_abe_dmic_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_ops omap_abe_dmic_ops = {
+static const struct snd_soc_ops omap_abe_dmic_ops = {
 	.hw_params = omap_abe_dmic_hw_params,
 };