build: add REUSE Compliance Check

In accordance with reuse requirements:
- Place each license file in the LICENSES/ directory
- Add missing SPDX-License-Identifier to files.
- Add .reuse/dep5 to bulk-license files

Fixes: #5887

Signed-off-by: Ruslan Mstoi <ruslan.mstoi@intel.com>

.github/workflows/reuse.yaml

@@ -0,0 +1,12 @@
+name: REUSE Compliance Check
+
+on: [push, pull_request]
+
+jobs:
+  reuse:
+    name: REUSE Compliance Check
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: REUSE Compliance Check
+      uses: fsfe/reuse-action@v3