ASoC: mediatek: mt2701: constify snd_soc_dai_ops structure

This structure is only stored in the ops field of a snd_soc_dai_driver
structure. That field is declared const, so snd_soc_dai_ops structures
that have this property can be declared as const also.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/mt2701/mt2701-afe-pcm.c

@@ -595,7 +595,7 @@ static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = {
 };
 
 /* MRG BE DAIs */
-static struct snd_soc_dai_ops mt2701_btmrg_ops = {
+static const struct snd_soc_dai_ops mt2701_btmrg_ops = {
 	.startup = mt2701_btmrg_startup,
 	.shutdown = mt2701_btmrg_shutdown,
 	.hw_params = mt2701_btmrg_hw_params,