ARM: mxs: Add build configuration for mxs

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f1d9297..0f34170 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -351,6 +351,14 @@
 	help
 	  Support for Freescale MXC/iMX-based family of processors
 
+config ARCH_MXS
+	bool "Freescale MXS-based"
+	select GENERIC_CLOCKEVENTS
+	select ARCH_REQUIRE_GPIOLIB
+	select COMMON_CLKDEV
+	help
+	  Support for Freescale MXS-based family of processors
+
 config ARCH_STMP3XXX
 	bool "Freescale STMP3xxx"
 	select CPU_ARM926T
@@ -902,6 +910,8 @@
 
 source "arch/arm/plat-mxc/Kconfig"
 
+source "arch/arm/mach-mxs/Kconfig"
+
 source "arch/arm/mach-netx/Kconfig"
 
 source "arch/arm/mach-nomadik/Kconfig"