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/drivers/clocksource/cyclone.c b/drivers/clocksource/cyclone.c
index 1bde303..8615059 100644
--- a/drivers/clocksource/cyclone.c
+++ b/drivers/clocksource/cyclone.c
@@ -7,7 +7,7 @@
 #include <asm/pgtable.h>
 #include <asm/io.h>
 
-#include "mach_timer.h"
+#include <asm/mach_timer.h>
 
 #define CYCLONE_CBAR_ADDR	0xFEB00CD0	/* base address ptr */
 #define CYCLONE_PMCC_OFFSET	0x51A0		/* offset to control register */