x86: move mach-default/*.h files to asm/

We are getting rid of subarchitecture support - move the hook files
to asm/. (These are now stale and should be replaced with more explicit
runtime mechanisms - but the transition is simpler this way.)

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index 23b6d9e..bdfad80 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -34,7 +34,7 @@
 
 #include <asm/mce.h>
 
-#include <mach_traps.h>
+#include <asm/mach_traps.h>
 
 int unknown_nmi_panic;
 int nmi_watchdog_enabled;