Relicense to Apache-2.0
Signed-off-by: Karol Gugala <kgugala@antmicro.com>
diff --git a/ql-qlf-plugin/qlf_k6n10f/cells_sim.v b/ql-qlf-plugin/qlf_k6n10f/cells_sim.v
index f382797..dff4af3 100644
--- a/ql-qlf-plugin/qlf_k6n10f/cells_sim.v
+++ b/ql-qlf-plugin/qlf_k6n10f/cells_sim.v
@@ -1,10 +1,18 @@
-// Copyright (C) 2019-2022 The SymbiFlow Authors
+// Copyright 2020-2022 F4PGA Authors
//
-// Use of this source code is governed by a ISC-style
-// license that can be found in the LICENSE file or at
-// https://opensource.org/licenses/ISC
+// 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
//
-// SPDX-License-Identifier: ISC
+// 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
(* abc9_flop, lib_whitebox *)
module sh_dff(
