arm64: dts: Add gpio_intc node and pinctrl node for Amlogic C3 SoCs

Add gpio interrupt controller device and pinctrl device.

Signed-off-by: Huqiang Qin <huqiang.qin@amlogic.com>
Reviewed-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Link: https://lore.kernel.org/r/20230720114639.833436-1-huqiang.qin@amlogic.com


Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>