pinctrl: at91-pio4: use proper format specifier for unsigned int

Use %u instead of %d as line is unsigned int.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230302110116.342486-5-claudiu.beznea@microchip.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-at91-pio4.c

@@ -1144,7 +1144,7 @@ static int atmel_pinctrl_probe(struct platform_device *pdev)
 
 		pin_desc[i].number = i;
 		/* Pin naming convention: P(bank_name)(bank_pin_number). */
-		pin_desc[i].name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "P%c%d",
+		pin_desc[i].name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "P%c%u",
 						  bank + 'A', line);
 
 		group->name = group_names[i] = pin_desc[i].name;