x86: move k8 related declarations

Move k8 related declarations to k8.h and fix numa_64.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 3d6926b..2d8fdc0 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -17,6 +17,7 @@
 #include <asm/dma.h>
 #include <asm/numa.h>
 #include <asm/acpi.h>
+#include <asm/k8.h>
 
 #ifndef Dprintk
 #define Dprintk(x...)