scripts/dts: Fix Copyright headers
One was missing it and the other was not the new format.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
diff --git a/scripts/dts/devicetree.py b/scripts/dts/devicetree.py
index 4ff7f97..ba47176 100755
--- a/scripts/dts/devicetree.py
+++ b/scripts/dts/devicetree.py
@@ -2,17 +2,7 @@
#
# Copyright (c) 2017 Intel Corporation
#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# SPDX-License-Identifier: Apache-2.0
#
import sys
