SecurityPkg-Opal(2): Enhance AHCI Bar MMIO region check.

This patch enhance OPAL password SMM driver to check SMM bar is valid MMIO
besides outside of SMRAM.

This is designed to meet Microsoft WSMT table definition on FIXED_COMM_BUFFERS
requirement.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

SecurityPkg/Tcg/Opal/OpalPasswordSmm/OpalPasswordSmm.h

@@ -25,6 +25,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Protocol/SmmReadyToLock.h>
 #include <Protocol/SmmVariable.h>
 #include <Protocol/VariableLock.h>
+#include <Protocol/SmmEndOfDxe.h>
 #include <Protocol/StorageSecurityCommand.h>
 
 #include <Library/OpalPasswordSupportLib.h>
@@ -43,8 +44,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Library/UefiLib.h>
 #include <Library/S3BootScriptLib.h>
 #include <Library/DevicePathLib.h>
-#include <Library/SmmMemLib.h>
-
 #include <Library/DxeServicesTableLib.h>
 
 #include <IndustryStandard/Pci22.h>
@@ -71,6 +70,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 extern VOID                              *mBuffer;
 
+extern EFI_GCD_MEMORY_SPACE_DESCRIPTOR   *mGcdMemSpace;
+extern UINTN                             mNumberOfDescriptors;
 #pragma pack(1)
 
 typedef struct {