ci: add yocto-patchreview

OE has a script which parses all .patch file in a layer and checks
useful information about their status. It also reports for missing
signed-off-by or malformed upstream status.

Let's add a small wrapper here, so that we can run it locally, and in
our CI.

Signed-off-by: Nicolas Dechesne <[email protected]>

ci/yocto-patchreview.sh

@@ -0,0 +1,17 @@
+#!/bin/sh -e
+# Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+# SPDX-License-Identifier: MIT
+
+TOPDIR=$(realpath $(dirname $(readlink -f $0))/..)
+
+# Ensure KAS workspace is outside of the checked out repo
+# Allows the caller to specify KAS_WORK_DIR, otherwise make temp one
+export KAS_WORK_DIR=$(realpath ${KAS_WORK_DIR:-$(mktemp -d)})
+
+# TODO: add -b option when https://lore.kernel.org/openembedded-core/[email protected]/T/#u is merged
+echo "Running kas in $KAS_WORK_DIR"
+kas shell $TOPDIR/ci/base.yml --command "$KAS_WORK_DIR/poky/scripts/contrib/patchreview.py -v -j status.json $TOPDIR"
+
+# return an error if any malformed patch is found
+cat $KAS_WORK_DIR/build/status.json |
+    python -c "import json,sys;obj=json.load(sys.stdin); sys.exit(1) if 'malformed-sob' in obj[0] or 'malformed-upstream-status' in obj[0] else sys.exit(0)"