ASoC: pcm186x: make pcm186x_dai_ops and pcm186x_adc_input_channel_sel_value static

pcm186x_dai_ops and pcm186x_adc_input_channel_sel_value are local to the
source and do not need to be in global scope, so make them static.

Cleans up sparse warnings:
symbol 'pcm186x_dai_ops' was not declared. Should it be static?
symbol 'pcm186x_adc_input_channel_sel_value' was not declared. Should it
be static?

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/pcm186x.c

@@ -59,7 +59,7 @@ static const struct snd_kcontrol_new pcm1865_snd_controls[] = {
 			   pcm186x_pga_tlv),
 };
 
-const unsigned int pcm186x_adc_input_channel_sel_value[] = {
+static const unsigned int pcm186x_adc_input_channel_sel_value[] = {
 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
 	0x10, 0x20, 0x30
@@ -475,7 +475,7 @@ static int pcm186x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
 	return 0;
 }
 
-const struct snd_soc_dai_ops pcm186x_dai_ops = {
+static const struct snd_soc_dai_ops pcm186x_dai_ops = {
 	.set_sysclk = pcm186x_set_dai_sysclk,
 	.set_tdm_slot = pcm186x_set_tdm_slot,
 	.set_fmt = pcm186x_set_fmt,