ARM: clps711x: Add support for SYSCON driver

This patch adds support for SYSCON driver for CLPS711X targets.
At this time there are no users for this driver, but it is will
be used as start point to use in CLPS711X drivers and remove
<mach/xx> dependencies.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index fc93deb..4217db7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -370,6 +370,7 @@
 	select COMMON_CLK
 	select CPU_ARM720T
 	select GENERIC_CLOCKEVENTS
+	select MFD_SYSCON
 	select MULTI_IRQ_HANDLER
 	select SPARSE_IRQ
 	help