pinctrl: ingenic: Use irqd_to_hwirq()

Instead of accessing ->hwirq directly, use irqd_to_hwirq().

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Link: https://lore.kernel.org/r/20220622185010.2022515-2-aidanmacdonald.0x0@gmail.com


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