ARM: sa1100: convert to common clock framework

Convert sa1100 to use the common clock framework.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 8869742..70aebb6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -549,6 +549,7 @@
 	select CLKSRC_MMIO
 	select CLKSRC_PXA
 	select TIMER_OF if OF
+	select COMMON_CLK
 	select CPU_FREQ
 	select CPU_SA1100
 	select GENERIC_CLOCKEVENTS