ASoC: Staticise PCM operations tables

The PCM operations tables are not exported directly but are instead
included in the platform structure so should be declared static.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
index 366049d..7af3b5b 100644
--- a/sound/soc/davinci/davinci-pcm.c
+++ b/sound/soc/davinci/davinci-pcm.c
@@ -286,7 +286,7 @@
 				     runtime->dma_bytes);
 }
 
-struct snd_pcm_ops davinci_pcm_ops = {
+static struct snd_pcm_ops davinci_pcm_ops = {
 	.open = 	davinci_pcm_open,
 	.close = 	davinci_pcm_close,
 	.ioctl = 	snd_pcm_lib_ioctl,