pinctrl: mediatek: Fix pinctrl register irq fail bug.
pinctrl: mediatek: Fix pinctrl register irq fail bug.

Since mt6397 is no need to support interrupt controller,
I judged "interrupt-controller" property to skip it last patch.
But the if judgement should on the contrary, this is a bug.

And find of_property_read_bool is better for this case.
So using of_property_read_bool instead of of_find_property.

Also fix bug of misuse pointer.

Signed-off-by: Hongzhou Yang <8947faba399f3a106e0a9039dcaeb1f73d385723@mediatek.com>
Reviewed-by: Axel Lin <b6ffd6973e972cb999e8e535ab74da7fee0c035f@ingics.com>
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs