Added licensing information, removed unnecessary import

Author: hakim-cherif-mchp

tf2mplabh3/utils.py

@@ -1,4 +1,17 @@
-import threading
+# Copyright [2025] [Microchip Technology Inc]
+# Author: Hakim CHERIF <hakim.cherif@microchip.com>
+# 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.
+
 import time
 
 def spinner(stop_event, completed_flag):