ARM: Kirkwood: Remove mach-kirkwood

Now that all boards have been converted to DT and all the support code
lives in mach-mvebu, we can remove mach-kirkwood.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1405028192-9623-2-git-send-email-andrew@lunn.ch
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index eda0dd0..f06c6aa 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -854,7 +854,7 @@
 
 config CACHE_FEROCEON_L2
 	bool "Enable the Feroceon L2 cache controller"
-	depends on ARCH_KIRKWOOD || ARCH_MV78XX0 || ARCH_MVEBU
+	depends on ARCH_MV78XX0 || ARCH_MVEBU
 	default y
 	select OUTER_CACHE
 	help