ci: Add lint license

.github/workflows/lint.yml

@@ -0,0 +1,22 @@
+# Copyright 2024 ETH Zurich and University of Bologna.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
+# Author: Cyril Koenig <[email protected]>
+
+name: lint-license
+
+on: [ push, pull_request, workflow_dispatch ]
+
+jobs:
+  lint-license:
+    runs-on: ubuntu-latest
+    steps:
+      - name: lint license
+        uses: pulp-platform/pulp-actions/[email protected] # update version as needed, not autoupdated
+        with:
+          license: |
+            Copyright (\d{4}(-\d{4})?\s)?(ETH Zurich and University of Bologna|lowRISC contributors).
+            (Solderpad Hardware License, Version 0.51|Licensed under the Apache License, Version 2.0), see LICENSE for details.
+            SPDX-License-Identifier: (SHL-0.51|Apache-2.0|GPL-2.0 OR Apache-2.0)
+