ASoC: codecs: es8316: constify snd_soc_dai_ops structures

These snd_soc_dai_ops structures are only stored in the ops field of
a snd_soc_dai_driver structure, which is const.  Thus, the
snd_soc_dai_ops structures can be const too.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/es8316.c

@@ -502,7 +502,7 @@ static int es8316_mute(struct snd_soc_dai *dai, int mute)
 #define ES8316_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE)
 
-static struct snd_soc_dai_ops es8316_ops = {
+static const struct snd_soc_dai_ops es8316_ops = {
 	.startup = es8316_pcm_startup,
 	.hw_params = es8316_pcm_hw_params,
 	.set_fmt = es8316_set_dai_fmt,