pinctrl: nuvoton: npcm7xx: Use %zu printk format for ARRAY_SIZE()

When compile-testing on 64-bit architectures, GCC complains about the
mismatch of types between the %d format specifier and value returned by
ARRAY_LENGTH(). Use %zu, which is correct everywhere.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 3b588e43 ("pinctrl: nuvoton: add NPCM7xx pinctrl and GPIO driver")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220205155332.1308899-2-j.neuschaefer@gmx.netSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c

@@ -1561,7 +1561,7 @@ static int npcm7xx_get_groups_count(struct pinctrl_dev *pctldev)
 {
 	struct npcm7xx_pinctrl *npcm = pinctrl_dev_get_drvdata(pctldev);
 
-	dev_dbg(npcm->dev, "group size: %d\n", ARRAY_SIZE(npcm7xx_groups));
+	dev_dbg(npcm->dev, "group size: %zu\n", ARRAY_SIZE(npcm7xx_groups));
 	return ARRAY_SIZE(npcm7xx_groups);
 }