Add CHERI+RVFI_DII grant codes and copyrights

src_Core/Debug_Module/Debug_Module.bsv

@@ -1,16 +1,18 @@
 // Copyright (c) 2017-2019 Bluespec, Inc. All Rights Reserved.
-
+//
 //-
-// AXI (user fields) modifications:
-//     Copyright (c) 2019 Alexandre Joannou
-//     Copyright (c) 2019 Peter Rugg
-//     Copyright (c) 2019 Jonathan Woodruff
+// RVFI_DII + CHERI modifications:
+//     Copyright (c) 2020 Alexandre Joannou
+//     Copyright (c) 2020 Peter Rugg
+//     Copyright (c) 2020 Jonathan Woodruff
 //     All rights reserved.
 //
 //     This software was developed by SRI International and the University of
 //     Cambridge Computer Laboratory (Department of Computer Science and
 //     Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
 //     DARPA SSITH research programme.
+//
+//     This work was supported by NCSC programme grant 4212611/RFA 15971 ("SafeBet").
 //-
 
 package Debug_Module;