gpio: tc3589x: use static container helper
gpio: tc3589x: use static container helper

There is a helper function to do the container_of() magic for
the tc3589x GPIO, so use it.

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

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