The pinctrl-ingenic driver now supports the JZ4725B SoC.

Furthermore, the gpio-ingenic driver was dropped and the pinctrl-ingenic
driver is now responsible for providing the GPIO functionality.
Signed-off-by: NPaul Cercueil <paul@crapouillou.net>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>