um: Use generic time config

Signed-off-by: Anna-Maria Gleixner <anna-maria@glx-um.de>
Acked-by: Richard Weinberger <richard@nod.at>
Link: http://lkml.kernel.org/r/20120518163107.251597655@glx-um.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 20a49ba..806185d 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -10,6 +10,7 @@
 	select GENERIC_IRQ_SHOW
 	select GENERIC_CPU_DEVICES
 	select GENERIC_IO
+	select GENERIC_CLOCKEVENTS
 
 config MMU
 	bool
@@ -52,10 +53,6 @@
 	default y
 	depends on BUG
 
-config GENERIC_CLOCKEVENTS
-	bool
-	default y
-
 # Used in kernel/irq/manage.c and include/linux/irq.h
 config IRQ_RELEASE_METHOD
 	bool