pinctrl: nuvoton: Use 'unsigned int' instead of just 'unsigned'.

'unsigned int' should be clearer than 'unsigned'.

Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Link: https://lore.kernel.org/r/20220825124134.30242-1-yuanjilin@cdjrlc.com


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>