pinctrl: ingenic: Drop dependency on MACH_INGENIC

Depending on MACH_INGENIC prevent us from creating a generic kernel that
works on more than one MIPS board. Instead, we just depend on MIPS being
set.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/Kconfig

@@ -309,9 +309,9 @@ config PINCTRL_ZYNQ
 
 config PINCTRL_INGENIC
 	bool "Pinctrl driver for the Ingenic JZ47xx SoCs"
-	default y
+	default MACH_INGENIC
 	depends on OF
-	depends on MACH_INGENIC || COMPILE_TEST
+	depends on MIPS || COMPILE_TEST
 	select GENERIC_PINCONF
 	select GENERIC_PINCTRL_GROUPS
 	select GENERIC_PINMUX_FUNCTIONS