NXP backend: Fix copyrights.

Author: jirioc

backends/nxp/aten_passes/simulated_linear_bn_fusion_passes/__init__.py

@@ -1,3 +1,8 @@
+# Copyright 2026 NXP
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 from executorch.backends.nxp.aten_passes.simulated_linear_bn_fusion_passes.add_simulated_linear_bn_fusion_qat_pass import (
     AddSimulatedLinearBatchNormFusionQATPass,
 )

backends/nxp/backend/ir/converter/node_converters/ops_converters/__init__.py

@@ -1,3 +1,8 @@
+# Copyright 2024-2026 NXP
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 from executorch.backends.nxp.backend.ir.converter.node_converters.ops_converters.abs_converter import (
     AbsConverter,
 )

backends/nxp/tests/models.py

@@ -1,5 +1,4 @@
-# Copyright (c) 2024-2026 NXP
-# All rights reserved.
+# Copyright 2024-2026 NXP
 #
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.