dt-bindings: pinctrl: add #interrupt-cells to apple,pinctrl
The GPIO/pinctrl hardware can act as an interrupt-controller, so add the #interrupt-cells property to the binding. Signed-off-by: Joey Gouly <joey.gouly@arm.com> Reviewed-by: Sven Peter <sven@svenpeter.dev> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20211026175815.52703-3-joey.gouly@arm.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>
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