Replace license headers with SPDX-License-Identifiers

squeek2lvgl/squeek2lvgl.py

@@ -1,21 +1,8 @@
 #!/usr/bin/env python3
 
 # Copyright 2021 Johannes Marbach
-#
-# This file is part of buffybox, hereafter referred to as the program.
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <https://www.gnu.org/licenses/>.
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 
 import argparse
 from typing import Set