pinctrl: sunxi: Remove PINCTRL_SUNXI

The PINCTRL_SUNXI configuration was kept only to deal with the introduction of
per-machine symbols and the various pintrl drivers through different tree.

Now that it's not useful anymore, we can just remove it.
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

arch/arm/mach-sunxi/Kconfig

@@ -4,7 +4,6 @@ menuconfig ARCH_SUNXI
 	select CLKSRC_MMIO
 	select GENERIC_IRQ_CHIP
 	select PINCTRL
-	select PINCTRL_SUNXI
 	select SUN4I_TIMER
 
 if ARCH_SUNXI

drivers/pinctrl/sunxi/Kconfig

 if ARCH_SUNXI
 
-config PINCTRL_SUNXI
-	bool
-
 config PINCTRL_SUNXI_COMMON
 	bool
 	select PINMUX
 	select GENERIC_PINCONF
 
 config PINCTRL_SUN4I_A10
-	def_bool PINCTRL_SUNXI || MACH_SUN4I
+	def_bool MACH_SUN4I
 	select PINCTRL_SUNXI_COMMON
 
 config PINCTRL_SUN5I_A10S
-	def_bool PINCTRL_SUNXI || MACH_SUN5I
+	def_bool MACH_SUN5I
 	select PINCTRL_SUNXI_COMMON
 
 config PINCTRL_SUN5I_A13
-	def_bool PINCTRL_SUNXI || MACH_SUN5I
+	def_bool MACH_SUN5I
 	select PINCTRL_SUNXI_COMMON
 
 config PINCTRL_SUN6I_A31
-	def_bool PINCTRL_SUNXI || MACH_SUN6I
+	def_bool MACH_SUN6I
 	select PINCTRL_SUNXI_COMMON
 
 config PINCTRL_SUN6I_A31_R
-	def_bool PINCTRL_SUNXI || MACH_SUN6I
+	def_bool MACH_SUN6I
 	depends on RESET_CONTROLLER
 	select PINCTRL_SUNXI_COMMON
 
 config PINCTRL_SUN7I_A20
-	def_bool PINCTRL_SUNXI || MACH_SUN7I
+	def_bool MACH_SUN7I
 	select PINCTRL_SUNXI_COMMON
 
 endif