The num_pins field in the struct meson_domain_data must include also the
missing pins in the Meson8b SoC, otherwise the GPIO <-> pin mapping is
broken on this platform. Avoid also the dinamic allocation for GPIOs.
Signed-off-by: NCarlo Caione <carlo@endlessm.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>