ARM: spear: merge Kconfig files

As a preparation to merging the spear platforms into one directory, this
merges the four Kconfig files into one.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

arch/arm/plat-spear/Kconfig

@@ -39,9 +39,52 @@ config ARCH_SPEAR6XX
 
 endchoice
 
-# Adding SPEAr machine specific configuration files
-source "arch/arm/mach-spear13xx/Kconfig"
-source "arch/arm/mach-spear3xx/Kconfig"
-source "arch/arm/mach-spear6xx/Kconfig"
+if ARCH_SPEAR13XX
+
+menu "SPEAr13xx Implementations"
+config MACH_SPEAR1310
+	bool "SPEAr1310 Machine support with Device Tree"
+	select PINCTRL_SPEAR1310
+	help
+	  Supports ST SPEAr1310 machine configured via the device-tree
+
+config MACH_SPEAR1340
+	bool "SPEAr1340 Machine support with Device Tree"
+	select PINCTRL_SPEAR1340
+	help
+	  Supports ST SPEAr1340 machine configured via the device-tree
+endmenu
+endif #ARCH_SPEAR13XX
+
+if ARCH_SPEAR3XX
+
+menu "SPEAr3xx Implementations"
+config MACH_SPEAR300
+	bool "SPEAr300 Machine support with Device Tree"
+	select PINCTRL_SPEAR300
+	help
+	  Supports ST SPEAr300 machine configured via the device-tree
+
+config MACH_SPEAR310
+	bool "SPEAr310 Machine support with Device Tree"
+	select PINCTRL_SPEAR310
+	help
+	  Supports ST SPEAr310 machine configured via the device-tree
+
+config MACH_SPEAR320
+	bool "SPEAr320 Machine support with Device Tree"
+	select PINCTRL_SPEAR320
+	help
+	  Supports ST SPEAr320 machine configured via the device-tree
+endmenu
+
+endif
+
+config MACH_SPEAR600
+	def_bool y
+	depends on ARCH_SPEAR6XX
+	select USE_OF
+	help
+	  Supports ST SPEAr600 boards configured via the device-treesource "arch/arm/mach-spear6xx/Kconfig"
 
 endif