hv: mod: do not use explicit arch name when including headers

Instead of "#include <x86/foo.h>", use "#include <asm/foo.h>".

In other words, we are adopting the same practice in Linux kernel.

Tracked-On: #5920
Signed-off-by: Liang Yi <yi.liang@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>

hypervisor/common/vm_load.c

@@ -4,11 +4,11 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#include <x86/guest/vm.h>
-#include <x86/e820.h>
-#include <x86/zeropage.h>
-#include <x86/guest/ept.h>
-#include <x86/mmu.h>
+#include <asm/guest/vm.h>
+#include <asm/e820.h>
+#include <asm/zeropage.h>
+#include <asm/guest/ept.h>
+#include <asm/mmu.h>
 #include <multiboot.h>
 #include <errno.h>
 #include <sprintf.h>