sunxi: Add AXP_PMIC_BUS kconfig entry

Add simple and meaningful kconfig option for pmic_bus.c
instead of using MACH type on Makefile.

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

arch/arm/mach-sunxi/Kconfig

@@ -23,6 +23,12 @@ config SUN6I_PRCM
 	  Support for the PRCM (Power/Reset/Clock Management) unit available
 	  in A31 SoC.
 
+config AXP_PMIC_BUS
+	bool "Sunxi AXP PMIC bus access helpers"
+	help
+	  Select this PMIC bus access helpers for Sunxi platform PRCM or other
+	  AXP family PMIC devices.
+
 config SUN8I_RSB
 	bool "Allwinner sunXi Reduced Serial Bus Driver"
 	help

arch/arm/mach-sunxi/Makefile

@@ -18,6 +18,7 @@ obj-y	+= usb_phy.o
 endif
 obj-$(CONFIG_SUN6I_P2WI)	+= p2wi.o
 obj-$(CONFIG_SUN6I_PRCM)	+= prcm.o
+obj-$(CONFIG_AXP_PMIC_BUS)	+= pmic_bus.o
 obj-$(CONFIG_SUN8I_RSB)		+= rsb.o
 obj-$(CONFIG_MACH_SUN4I)	+= clock_sun4i.o
 obj-$(CONFIG_MACH_SUN5I)	+= clock_sun4i.o
@@ -31,12 +32,6 @@ obj-$(CONFIG_MACH_SUN8I)	+= clock_sun6i.o
 endif
 obj-$(CONFIG_MACH_SUN9I)	+= clock_sun9i.o gtbus_sun9i.o
 
-obj-$(CONFIG_AXP152_POWER)	+= pmic_bus.o
-obj-$(CONFIG_AXP209_POWER)	+= pmic_bus.o
-obj-$(CONFIG_AXP221_POWER)	+= pmic_bus.o
-obj-$(CONFIG_AXP809_POWER)	+= pmic_bus.o
-obj-$(CONFIG_AXP818_POWER)	+= pmic_bus.o
-
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_MACH_SUN4I)	+= dram_sun4i.o
 obj-$(CONFIG_MACH_SUN5I)	+= dram_sun4i.o

drivers/power/Kconfig

@@ -22,6 +22,7 @@ config SUNXI_NO_PMIC
 config AXP152_POWER
 	bool "axp152 pmic support"
 	depends on MACH_SUN5I
+	select AXP_PMIC_BUS
 	select CMD_POWEROFF
 	---help---
 	Select this to enable support for the axp152 pmic found on most
@@ -30,6 +31,7 @@ config AXP152_POWER
 config AXP209_POWER
 	bool "axp209 pmic support"
 	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
+	select AXP_PMIC_BUS
 	select CMD_POWEROFF
 	---help---
 	Select this to enable support for the axp209 pmic found on most
@@ -38,6 +40,7 @@ config AXP209_POWER
 config AXP221_POWER
 	bool "axp221 / axp223 pmic support"
 	depends on MACH_SUN6I || MACH_SUN8I_A23 || MACH_SUN8I_A33 || MACH_SUN8I_R40
+	select AXP_PMIC_BUS
 	select CMD_POWEROFF
 	---help---
 	Select this to enable support for the axp221/axp223 pmic found on most
@@ -46,6 +49,7 @@ config AXP221_POWER
 config AXP809_POWER
 	bool "axp809 pmic support"
 	depends on MACH_SUN9I
+	select AXP_PMIC_BUS
 	select CMD_POWEROFF
 	---help---
 	Say y here to enable support for the axp809 pmic found on A80 boards.
@@ -53,6 +57,7 @@ config AXP809_POWER
 config AXP818_POWER
 	bool "axp818 pmic support"
 	depends on MACH_SUN8I_A83T
+	select AXP_PMIC_BUS
 	select CMD_POWEROFF
 	---help---
 	Say y here to enable support for the axp818 pmic found on