pinctrl: nomadik: assign chips dynamically

Assign GPIO chip and irqchip to the GPIO container dynamically,
so we can set a unique name for each GPIO irqchip and see what
chip the hwirq offset actually relates to.

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

diff --cc drivers/pinctrl/nomadik/pinctrl-nomadik.c
Simple merge