ASoC: Intel: kbl: make snd_pcm_hw_constraint_list const

Make these const as they are only passed to the function
snd_pcm_hw_constraint_list having the corresponding argument as const.
Done using Coccinelle.
Signed-off-by: NBhumika Goyal <bhumirks@gmail.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/intel/boards/kbl_rt5663_max98927.c

@@ -286,7 +286,7 @@ static unsigned int rates[] = {
 	48000,
 };
 
-static struct snd_pcm_hw_constraint_list constraints_rates = {
+static const struct snd_pcm_hw_constraint_list constraints_rates = {
 	.count = ARRAY_SIZE(rates),
 	.list  = rates,
 	.mask = 0,
@@ -296,7 +296,7 @@ static unsigned int channels[] = {
 	2,
 };
 
-static struct snd_pcm_hw_constraint_list constraints_channels = {
+static const struct snd_pcm_hw_constraint_list constraints_channels = {
 	.count = ARRAY_SIZE(channels),
 	.list = channels,
 	.mask = 0,
@@ -425,7 +425,7 @@ static unsigned int rates_16000[] = {
 	16000,
 };
 
-static struct snd_pcm_hw_constraint_list constraints_16000 = {
+static const struct snd_pcm_hw_constraint_list constraints_16000 = {
 	.count = ARRAY_SIZE(rates_16000),
 	.list  = rates_16000,
 };