pinctrl: nuvoton: Convert to use struct pingroup and PINCTRL_PINGROUP()

The pin control header provides struct pingroup and PINCTRL_PINGROUP() macro.
Utilize them instead of open coded variants in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/20250318105932.2090926-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Author: andy-shev

drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c

@@ -504,17 +504,6 @@ static const int lkgpo2_pins[] = { 9 };
 
 static const int nprd_smi_pins[] = { 190 };
 
-/*
- * pin:	     name, number
- * group:    name, npins,   pins
- * function: name, ngroups, groups
- */
-struct npcm7xx_group {
-	const char *name;
-	const unsigned int *pins;
-	int npins;
-};
-
 #define NPCM7XX_GRPS \
 	NPCM7XX_GRP(smb0), \
 	NPCM7XX_GRP(smb0b), \
@@ -642,9 +631,8 @@ enum {
 #undef NPCM7XX_GRP
 };
 
-static struct npcm7xx_group npcm7xx_groups[] = {
-#define NPCM7XX_GRP(x) { .name = #x, .pins = x ## _pins, \
-			.npins = ARRAY_SIZE(x ## _pins) }
+static struct pingroup npcm7xx_groups[] = {
+#define NPCM7XX_GRP(x) PINCTRL_PINGROUP(#x, x ## _pins, ARRAY_SIZE(x ## _pins))
 	NPCM7XX_GRPS
 #undef NPCM7XX_GRP
 };

drivers/pinctrl/nuvoton/pinctrl-npcm8xx.c

@@ -587,17 +587,6 @@ static const int hgpio5_pins[] = { 25 };
 static const int hgpio6_pins[] = { 59 };
 static const int hgpio7_pins[] = { 60 };
 
-/*
- * pin:	     name, number
- * group:    name, npins,   pins
- * function: name, ngroups, groups
- */
-struct npcm8xx_pingroup {
-	const char *name;
-	const unsigned int *pins;
-	int npins;
-};
-
 #define NPCM8XX_GRPS \
 	NPCM8XX_GRP(gpi36), \
 	NPCM8XX_GRP(gpi35), \
@@ -829,9 +818,8 @@ enum {
 #undef NPCM8XX_GRP
 };
 
-static struct npcm8xx_pingroup npcm8xx_pingroups[] = {
-#define NPCM8XX_GRP(x) { .name = #x, .pins = x ## _pins, \
-			.npins = ARRAY_SIZE(x ## _pins) }
+static struct pingroup npcm8xx_pingroups[] = {
+#define NPCM8XX_GRP(x) PINCTRL_PINGROUP(#x, x ## _pins, ARRAY_SIZE(x ## _pins))
 	NPCM8XX_GRPS
 #undef NPCM8XX_GRP
 };