Don't include config.h in asm/timex.h

asm-x86-64/timex.h does not reference CONFIG constants.
Do not need to include config.h.

Signed-off-by: Grant Grundler <iod00d@hp.com>

Signed-off-by: Andi Kleen <ak@suse.de>

Index: linux/include/asm-x86_64/timex.h
===================================================================
--- linux.orig/include/asm-x86_64/timex.h
+++ linux/include/asm-x86_64/timex.h
@@ -6,7 +6,6 @@
 #ifndef _ASMx8664_TIMEX_H
 #define _ASMx8664_TIMEX_H
 
-#include <linux/config.h>
 #include <asm/8253pit.h>
 #include <asm/msr.h>
 #include <asm/vsyscall.h>