sunxi: Use SUN6I_PRCM if used

SUN6I_PRCM is also used for SUN8I and SUN9I, so
select the same on respective MACH types.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/mach-sunxi/Kconfig

@@ -185,6 +185,7 @@ config MACH_SUN8I_V3S
 config MACH_SUN9I
 	bool "sun9i (Allwinner A80)"
 	select CPU_V7
+	select SUN6I_PRCM
 	select SUNXI_HIGH_SRAM
 	select SUNXI_GEN_SUN6I
 	select SUPPORT_SPL
@@ -215,6 +216,7 @@ endchoice
 # The sun8i SoCs share a lot, this helps to avoid a lot of "if A23 || A33"
 config MACH_SUN8I
 	bool
+	select SUN6I_PRCM
 	default y if MACH_SUN8I_A23
 	default y if MACH_SUN8I_A33
 	default y if MACH_SUN8I_A83T

arch/arm/mach-sunxi/Makefile

@@ -18,8 +18,6 @@ obj-y	+= usb_phy.o
 endif
 obj-$(CONFIG_SUN6I_P2WI)	+= p2wi.o
 obj-$(CONFIG_SUN6I_PRCM)	+= prcm.o
-obj-$(CONFIG_MACH_SUN8I)	+= prcm.o
-obj-$(CONFIG_MACH_SUN9I)	+= prcm.o
 obj-$(CONFIG_MACH_SUN8I)	+= rsb.o
 obj-$(CONFIG_MACH_SUN9I)	+= rsb.o
 obj-$(CONFIG_MACH_SUN4I)	+= clock_sun4i.o