OvmfPkg: Add MpInitLibDepLib

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3918

There are 4 MpInitLibDepLib:
 - PeiMpInitLibMpDepLib:
   MpInitLib multi-processor dependency
 - PeiMpInitLibUpDepLib:
   MpInitLib unique-processor dependency
 - DxeMpInitLibMpDepLib:
   MpInitLib multi-processor dependency
 - DxeMpInitLibUpDepLib
   MpInitLib unique-processor dependency

The Pei libs depend on the corresponding PPI. The Dxe libs depend on the
corresponding Protocol.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>

OvmfPkg/Library/MpInitLibDepLib/MpInitLibDepLib.c

@@ -0,0 +1,23 @@
+/** @file
+
+  Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Uefi.h>
+
+/**
+This is null constructor which always return EFI_SUCCESS.
+@param  ImageHandle   The firmware allocated handle for the EFI image.
+@param  SystemTable   A pointer to the EFI System Table.
+@retval EFI_SUCCESS   Always return EFI_SUCCESS
+**/
+EFI_STATUS
+EFIAPI
+MpInitLibDepContructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  return EFI_SUCCESS;
+}