x86: Drop mach_mpspec.h

This header is included in exactly one location.  Fold it into mpspec.h

With this done, mach-default/ is empty, so remove the include path.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>

xen/arch/x86/arch.mk

@@ -3,7 +3,6 @@
 
 export XEN_IMG_OFFSET := 0x200000
 
-CFLAGS += -I$(srctree)/arch/x86/include/asm/mach-default
 CFLAGS += -DXEN_IMG_OFFSET=$(XEN_IMG_OFFSET)
 
 # Prevent floating-point variables from creeping into Xen.

xen/arch/x86/include/asm/mach-default/mach_mpspec.h

@@ -1,10 +0,0 @@
-#ifndef __ASM_MACH_MPSPEC_H
-#define __ASM_MACH_MPSPEC_H
-
-#define MAX_IRQ_SOURCES 256
-
-/* Generic (i.e. installer) kernels need lots of bus entries. */
-/* Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets. */
-#define MAX_MP_BUSSES 260
-
-#endif /* __ASM_MACH_MPSPEC_H */

xen/arch/x86/include/asm/mpspec.h

@@ -3,7 +3,12 @@
 
 #include <xen/cpumask.h>
 #include <asm/mpspec_def.h>
-#include <mach_mpspec.h>
+
+#define MAX_IRQ_SOURCES 256
+
+/* Generic (i.e. installer) kernels need lots of bus entries. */
+/* Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets. */
+#define MAX_MP_BUSSES 260
 
 extern unsigned char mp_bus_id_to_type[MAX_MP_BUSSES];