added license header

src/ntt_top/tb/ntt_masked_mult_redux46_auto_tb.sv

@@ -1,4 +1,24 @@
-`timescale 1ns / 1ps
+// SPDX-License-Identifier: Apache-2.0
+//
+// 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.
+//
+//======================================================================
+//
+// ntt_masked_mult_redux46_auto_tb.sv
+// --------
+//
+//
+//======================================================================
 
 module ntt_masked_mult_redux46_auto_tb;
 

src/ntt_top/tb/ntt_masked_mult_redux46_tb.sv

@@ -1,4 +1,24 @@
-`timescale 1ns / 1ps
+// SPDX-License-Identifier: Apache-2.0
+//
+// 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.
+//
+//======================================================================
+//
+// ntt_masked_mult_redux46_tb.sv
+// --------
+//
+//
+//======================================================================
 
 module ntt_masked_mult_redux46_tb;