pinctrl: renesas: rzg2l: Make struct rzg2l_pinctrl_data::dedicated_pins constant

struct rzg2l_pinctrl_data::dedicated_pins is constant thus mark it so.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230912045157.177966-29-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Author: claudiubeznea

drivers/pinctrl/renesas/pinctrl-rzg2l.c

@@ -133,7 +133,7 @@ struct rzg2l_pinctrl_data {
 	const char * const *port_pins;
 	const u32 *port_pin_configs;
 	unsigned int n_ports;
-	struct rzg2l_dedicated_configs *dedicated_pins;
+	const struct rzg2l_dedicated_configs *dedicated_pins;
 	unsigned int n_port_pins;
 	unsigned int n_dedicated_pins;
 };
@@ -1059,7 +1059,7 @@ static const u32 r9a07g043_gpio_configs[] = {
 	RZG2L_GPIO_PORT_PACK(6, 0x22, RZG2L_MPXED_PIN_FUNCS),
 };
 
-static struct {
+static const struct {
 	struct rzg2l_dedicated_configs common[35];
 	struct rzg2l_dedicated_configs rzg2l_pins[7];
 } rzg2l_dedicated_pins = {