UefiPayloadPkg: Add a common SmmAccessDxe module

SmmAccessDxe module would consume EFI_SMRAM_HOB_DESCRIPTOR_BLOCK HOB to
produce SMM access protocol gEfiSmmAccess2ProtocolGuid (open, close, lock,
and GetCapabilities.)

Signed-off-by: Guo Dong <guo.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Maurice Ma <maurice.ma@intel.com>
Cc: Benjamin You <benjamin.you@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Benjamin You <benjamin.you@intel.com>

UefiPayloadPkg/SmmAccessDxe/SmmAccessDxe.h

@@ -0,0 +1,37 @@
+/** @file
+  The header file of SMM access DXE.
+
+Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef SMM_ACCESS_DRIVER_H_
+#define SMM_ACCESS_DRIVER_H_
+
+#include <PiDxe.h>
+#include <Protocol/SmmAccess2.h>
+#include <Library/HobLib.h>
+#include <Library/BaseLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Guid/SmramMemoryReserve.h>
+
+
+#define  SMM_ACCESS_PRIVATE_DATA_SIGNATURE  SIGNATURE_32 ('S', 'M', 'M', 'A')
+
+typedef struct {
+  UINTN                           Signature;
+  EFI_HANDLE                      Handle;
+  EFI_SMM_ACCESS2_PROTOCOL        SmmAccess;
+  //
+  // Local Data for SMM Access interface goes here
+  //
+  UINT32                          SmmRegionState;
+  UINT32                          NumberRegions;
+  EFI_SMRAM_DESCRIPTOR            *SmramDesc;
+} SMM_ACCESS_PRIVATE_DATA;
+
+#endif