ASoC: rk3036: 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/codecs/inno_rk3036.c

@@ -310,7 +310,7 @@ static int rk3036_codec_dai_hw_params(struct snd_pcm_substream *substream,
 			   SNDRV_PCM_FMTBIT_S24_LE  | \
 			   SNDRV_PCM_FMTBIT_S32_LE)
 
-static struct snd_soc_dai_ops rk3036_codec_dai_ops = {
+static const struct snd_soc_dai_ops rk3036_codec_dai_ops = {
 	.set_fmt	= rk3036_codec_dai_set_fmt,
 	.hw_params	= rk3036_codec_dai_hw_params,
 };