MdeModulePkg/FaultTolerantWrite: Consume Variable Flash Info

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3479

Adds support to the UEFI variable fault tolerant write (FTW) drivers
to receive FTW base and size information dynamically via the Variable
Flash Information library.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>

MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.h

@@ -26,6 +26,8 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include <Library/BaseMemoryLib.h>
 #include <Library/MemoryAllocationLib.h>
 #include <Library/ReportStatusCodeLib.h>
+#include <Library/SafeIntLib.h>
+#include <Library/VariableFlashInfoLib.h>
 
 //
 // Flash erase polarity is 1
@@ -708,10 +710,13 @@ InitFtwProtocol (
 
   Since Signature and WriteQueueSize have been known, Crc can be calculated out,
   then the work space header will be fixed.
+
+  @param[in]  WorkSpaceLength     Length in bytes of the FTW workspace area.
+
 **/
 VOID
 InitializeLocalWorkSpaceHeader (
-  VOID
+  IN  UINTN  WorkSpaceLength
   );
 
 /**