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/boot/multiboot/multiboot.c

@@ -6,7 +6,7 @@
 
 #include <types.h>
 #include <errno.h>
-#include <pgtable.h>
+#include <x86/pgtable.h>
 #include <multiboot.h>
 #include <rtl.h>
 #include <logmsg.h>

hypervisor/boot/multiboot/multiboot2.c

@@ -7,7 +7,7 @@
 #include <types.h>
 #include <errno.h>
 #include <multiboot.h>
-#include <pgtable.h>
+#include <x86/pgtable.h>
 #include "multiboot_priv.h"
 
 /**