[ARM] sa1100: add clock event support

d142b6e77d394a4fcc0a42381b03852bd9c4e263 added clock source support,
now it's time for the clock event support.

Tested-by: Thomas Kunze <thommycheck@gmx.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1f7c728..63cc733 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -425,6 +425,8 @@
 	select ARCH_MTD_XIP
 	select GENERIC_GPIO
 	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
+	select TICK_ONESHOT
 	select HAVE_IDE
 	select HAVE_GPIO_LIB
 	help