Added COPYING files and README.source files

Added a COPYING file as a boilerplate to explain license oddities in
this directory

Added a vtpm/COPYING file which contains MIT licensed files only

Added a vtpmmgr/README.source file which contains many BSD-3-Clause
files that originally came from tools/vtpm_manager

Signed-off-by: Lars Kurth <lars.kurth@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
[ wei: delete all trailing whitespaces ]
Signed-off-by: Wei Liu <wei.liu2@citrix.com>

stubdom/COPYING

@@ -0,0 +1,31 @@
+Most files in this directory are covered by version 2 of the
+GNU General Public License except where explicitly stated.
+See the main COPYING file in xen.git for more information.
+
+Notable exceptions are in the following directories
+
+vtpm
+====
+Exclusively contains code licensed under a MIT license
+Also see vtpm/COPYING
+
+vtpmmgr
+=======
+Contains a significant portion of files which are licensed
+under a BSD-3-Clause license. These files were imported from
+elsewhere and are copyrighted as follows:
+
+Copyright (c) 2005, Intel Corp.
+All rights reserved.
+
+See README.source for a complete list of files
+
+Otherwise, this directory contains several files licensed under
+GPLv2+, or without copyright headers.
+
+*.patch and *.diff files
+========================
+This directory contains a number of *.patch and *.diff files.
+These files describe changes to source files and are thus
+licensed under the license from which the *.patch and *.diff
+were generated.

stubdom/vtpm/COPYING

@@ -0,0 +1,26 @@
+This copyright applies to all files within this subdirectory and its
+subdirectories, unless explicitly stated otherwise within individual
+source files.
+
+All other files in the Xen source distribution are covered by version
+2 of the GNU General Public License except where explicitly stated.
+See the main COPYING file in xen.git for more information.
+
+=====================================================================
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THIS SOFTWARE AND ITS DOCUMENTATION ARE PROVIDED AS IS AND WITHOUT
+ANY EXPRESS OR IMPLIED WARRANTIES WHATSOEVER. ALL WARRANTIES
+INCLUDING, BUT NOT LIMITED TO, PERFORMANCE, MERCHANTABILITY, FITNESS
+FOR A PARTICULAR  PURPOSE, AND NONINFRINGEMENT ARE HEREBY
+DISCLAIMED. USERS ASSUME THE ENTIRE RISK AND LIABILITY OF USING THE
+SOFTWARE.

stubdom/vtpmmgr/README.source

@@ -0,0 +1,27 @@
+About
+=====
+This documents the upstream sources for files in this directory.
+
+According to the header files, the following files are based off
+the original tools/vtpm_manager code base in xen.git. This directory
+has since been (commit b918dce5bb2a665a34ff893a9df5392fb8ea429d)
+
+init.c
+log.c
+log.h
+marshal.h
+tcg.h
+tpm.c
+tpm.h
+tpm2.c
+tpm2.h
+tpm2_marshal.h
+vtpm_cmd_handler.c
+vtpm_manager.h
+vtpmmgr.c
+vtpmmgr.h
+
+uuid.h - This file does not appear to be part of the original
+tools/vtpm_manager code. It's origin is unclear, but it is
+trivial and likely not copyrightable under "fair use"
+provisions.