hv/mod-irq: use arch specific header files

Requires explicit arch path name in the include directive.

The config scripts was also updated to reflect this change.

Tracked-On: #5825
Signed-off-by: Peter Fang <peter.fang@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>

hypervisor/dm/vpci/vmsi.c

@@ -27,11 +27,11 @@
  * $FreeBSD$
  */
 
-#include <vm.h>
+#include <x86/guest/vm.h>
 #include <ptdev.h>
-#include <assign.h>
+#include <x86/guest/assign.h>
 #include <vpci.h>
-#include <vtd.h>
+#include <x86/vtd.h>
 #include "vpci_priv.h"