ARM: sunxi: select MFD_SUN6I_PRCM when sun8i arch support is enabled

Select the MFD_SUN6I_PRCM option when sun8i arch is enabled in order to
get the PRCM (Power/Reset/Clock Management) related drivers compiled.

Also select ARCH_HAS_RESET_CONTROLLER and RESET_CONTROLLER to make sure
the reset controller drivers are compiled.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/mach-sunxi/Kconfig

@@ -38,6 +38,9 @@ config MACH_SUN7I
 config MACH_SUN8I
 	bool "Allwinner A23 (sun8i) SoCs support"
 	default ARCH_SUNXI
+	select ARCH_HAS_RESET_CONTROLLER
 	select ARM_GIC
+	select MFD_SUN6I_PRCM
+	select RESET_CONTROLLER
 
 endif