tests/tcg: update licenses to GPLv2 as intended

My default header template is GPLv3 but for QEMU code we really should
stick to GPLv2-or-later (allowing others to up-license it if they
wish). While this is test code we should still be consistent on the
source distribution.

I wrote all of this code so its not a problem. However there remains
one GPLv3 file left which is the crt0-tc2x.S for TriCore.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240227144335.1196131-2-alex.bennee@linaro.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/tests/tcg/x86_64/system/boot.S b/tests/tcg/x86_64/system/boot.S
index dac9bd5..7213aec 100644
--- a/tests/tcg/x86_64/system/boot.S
+++ b/tests/tcg/x86_64/system/boot.S
@@ -1,16 +1,16 @@
 /*
  * x86_64 boot and support code
  *
- * Copyright 2019 Linaro
+ * Copyright 2019, 2024 Linaro
  *
- * This work is licensed under the terms of the GNU GPL, version 3 or later.
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
  * See the COPYING file in the top-level directory.
  *
  * Unlike the i386 version we instead use Xen's PVHVM booting header
  * which should drop us automatically into 32 bit mode ready to go. I've
  * nabbed bits of the Linux kernel setup to achieve this.
  *
- * SPDX-License-Identifier: GPL-3.0-or-later
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
         .section .head