SecurityPkg: Add debug log for indicating IBB verified OBB successfully

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3615

Debug message should be added for indicating IBB is successfully verifying
the OBB.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Min M Xu <min.m.xu@intel.com>
Cc: Qi Zhang <qi1.zhang@intel.com>
Signed-off-by: Longlong Yang <longlong.yang@intel.com>
Reviewed-by: Min M Xu <min.m.xu@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>

SecurityPkg/FvReportPei/FvReportPei.c

@@ -344,6 +344,8 @@ CheckStoredHashFv (
                              StoredHashFvPpi->FvNumber, BootMode);
     if (!EFI_ERROR (Status)) {
 
+      DEBUG ((DEBUG_INFO, "OBB verification passed (%r)\r\n", Status));
+
       //
       // Report the FVs to PEI core and/or DXE core.
       //