ASoC: amd: vangogh: constify static struct snd_soc_dai_ops

The only usage of acp5x_i2s_dai_ops is to assign its address to the ops
field in the snd_soc_dai_driver struct, which is a pointer to const.
Make it const to allow the compiler to put it in read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20211012211506.21159-1-rikard.falkeborn@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/vangogh/acp5x-i2s.c

@@ -348,7 +348,7 @@ static int acp5x_i2s_trigger(struct snd_pcm_substream *substream,
 	return ret;
 }
 
-static struct snd_soc_dai_ops acp5x_i2s_dai_ops = {
+static const struct snd_soc_dai_ops acp5x_i2s_dai_ops = {
 	.hw_params = acp5x_i2s_hwparams,
 	.trigger = acp5x_i2s_trigger,
 	.set_fmt = acp5x_i2s_set_fmt,