pinctrl: nomadik: find chip from local array
pinctrl: nomadik: find chip from local array

Instead of indexing around the GPIO ranges to find a chip, look directly
in the local array of state containers for nmk_gpio_chip:s.

Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

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