CI: Add cheshire CI

Signed-off-by: Nils Wistoff <[email protected]>

.github/workflows/cheshire.yml

@@ -0,0 +1,24 @@
+# Copyright 2024 PULP Platform
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
+name: cheshire
+on: [push, pull_request]
+
+jobs:
+  init:
+    name: init
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Checkout Cheshire
+      uses: actions/checkout@v4
+      with:
+        repository: pulp-platform/cheshire
+        path: cheshire
+        ref: cva6/pulp-v1.0.0
+  run-cheshire-ci:
+    name: run-cheshire-ci
+    needs: init-cheshire
+    uses: ./cheshire/.github/workflows/lint.yml