gpio/pinctrl: ingenic: depend on OF

Fix compile errors due to missing OF.

Cc: Paul Cercueil <paul@crapouillou.net>
Reported-by: NRandy Dunlap <rdunlap@infradead.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/gpio/Kconfig

@@ -244,6 +244,7 @@ config GPIO_ICH
 
 config GPIO_INGENIC
 	tristate "Ingenic JZ47xx SoCs GPIO support"
+	depends on OF
 	depends on MACH_INGENIC || COMPILE_TEST
 	select GPIOLIB_IRQCHIP
 	help

drivers/pinctrl/Kconfig

@@ -312,6 +312,7 @@ config PINCTRL_ZYNQ
 config PINCTRL_INGENIC
 	bool "Pinctrl driver for the Ingenic JZ47xx SoCs"
 	default y
+	depends on OF
 	depends on MACH_INGENIC || COMPILE_TEST
 	select GENERIC_PINCONF
 	select GENERIC_PINCTRL_GROUPS