ASoC: codecs: wcd934x: Constify static data

Driver does not modify few static data (arrays with sample rates, MBHC
reg fields, regmap config), so make them const for code safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240612-asoc-wcd9xxx-wide-cleanups-v1-8-0d15885b2a06@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/wcd934x.c

@@ -480,7 +480,7 @@ struct interp_sample_rate {
 	int rate_val;
 };
 
-static struct interp_sample_rate sr_val_tbl[] = {
+static const struct interp_sample_rate sr_val_tbl[] = {
 	{8000, 0x0},
 	{16000, 0x1},
 	{32000, 0x3},
@@ -522,7 +522,7 @@ static const struct regmap_range_cfg wcd934x_ifc_ranges[] = {
 	},
 };
 
-static struct regmap_config wcd934x_ifc_regmap_config = {
+static const struct regmap_config wcd934x_ifc_regmap_config = {
 	.reg_bits = 16,
 	.val_bits = 8,
 	.max_register = 0xffff,
@@ -1212,7 +1212,7 @@ static const struct soc_enum cdc_if_tx13_mux_enum =
 	SOC_ENUM_SINGLE(WCD934X_DATA_HUB_SB_TX13_INP_CFG, 0,
 			ARRAY_SIZE(cdc_if_tx13_mux_text), cdc_if_tx13_mux_text);
 
-static struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = {
+static const struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = {
 	WCD_MBHC_FIELD(WCD_MBHC_L_DET_EN, WCD934X_ANA_MBHC_MECH, 0x80),
 	WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD934X_ANA_MBHC_MECH, 0x40),
 	WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD934X_ANA_MBHC_MECH, 0x20),