ARM: integrator: move CONFIG_ARCH_CINTEGRATOR to Kconfig

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/mach-integrator/Kconfig b/arch/arm/mach-integrator/Kconfig
index 6794660..8ffc544 100644
--- a/arch/arm/mach-integrator/Kconfig
+++ b/arch/arm/mach-integrator/Kconfig
@@ -9,9 +9,13 @@
 
 config ARCH_INTEGRATOR_CP
 	bool "Support Integrator/CP platform"
+	select ARCH_CINTEGRATOR
 
 endchoice
 
+config ARCH_CINTEGRATOR
+	bool
+
 choice
 	prompt "Integrator core module select"