sh-pfc: Constify all SoC data

None of the SoC data need to be modified. Constify it.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7724.c b/drivers/pinctrl/sh-pfc/pfc-sh7724.c
index 40f430b..35e5516 100644
--- a/drivers/pinctrl/sh-pfc/pfc-sh7724.c
+++ b/drivers/pinctrl/sh-pfc/pfc-sh7724.c
@@ -572,7 +572,7 @@
 	PINMUX_MARK_END,
 };
 
-static pinmux_enum_t pinmux_data[] = {
+static const pinmux_enum_t pinmux_data[] = {
 	/* PTA GPIO */
 	PINMUX_DATA(PTA7_DATA, PTA7_IN, PTA7_OUT, PTA7_IN_PU),
 	PINMUX_DATA(PTA6_DATA, PTA6_IN, PTA6_OUT, PTA6_IN_PU),
@@ -1422,7 +1422,7 @@
 
 #define PINMUX_FN_BASE	ARRAY_SIZE(pinmux_pins)
 
-static struct pinmux_func pinmux_func_gpios[] = {
+static const struct pinmux_func pinmux_func_gpios[] = {
 	/* BSC */
 	GPIO_FN(D31),
 	GPIO_FN(D30),
@@ -1787,7 +1787,7 @@
 	GPIO_FN(INTC_IRQ0),
 };
 
-static struct pinmux_cfg_reg pinmux_config_regs[] = {
+static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	{ PINMUX_CFG_REG("PACR", 0xa4050100, 16, 2) {
 		PTA7_FN, PTA7_OUT, PTA7_IN_PU, PTA7_IN,
 		PTA6_FN, PTA6_OUT, PTA6_IN_PU, PTA6_IN,
@@ -2111,7 +2111,7 @@
 	{}
 };
 
-static struct pinmux_data_reg pinmux_data_regs[] = {
+static const struct pinmux_data_reg pinmux_data_regs[] = {
 	{ PINMUX_DATA_REG("PADR", 0xa4050120, 8) {
 		PTA7_DATA, PTA6_DATA, PTA5_DATA, PTA4_DATA,
 		PTA3_DATA, PTA2_DATA, PTA1_DATA, PTA0_DATA }
@@ -2207,7 +2207,7 @@
 	{ },
 };
 
-struct sh_pfc_soc_info sh7724_pinmux_info = {
+const struct sh_pfc_soc_info sh7724_pinmux_info = {
 	.name = "sh7724_pfc",
 	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
 	.input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },