ASoC: aux1x: make snd_soc_ops const

Make this const as it is only stored in the ops field of a
snd_soc_dai_link structure, which is const.
Done using Coccinelle.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/au1x/db1200.c

@@ -99,7 +99,7 @@ static int db1200_i2s_startup(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-static struct snd_soc_ops db1200_i2s_wm8731_ops = {
+static const struct snd_soc_ops db1200_i2s_wm8731_ops = {
 	.startup	= db1200_i2s_startup,
 };