enable pull request checking workflow for 5.15-velinux branch

Signed-off-by: Han Ning <hanning@bytedance.com>

.github/workflows/pull_request.yml

@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (c) 2024 ByteDance.
+
+name: Pull Request Checking
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+    branches:
+      - 5.15-velinux
+
+jobs:
+  call-shared-pr-check:
+    strategy:
+      matrix:
+        arch: [x86_64]
+        distro_code: [buster]
+        test_suite: [ltp]
+    uses: bytedance/kernel/.github/workflows/pr_check_share.yml@5.4.143-velinux
+    with:
+      head: ${{ github.event.pull_request.head.sha }}
+      arch: ${{ matrix.arch }}
+      distro_code: ${{ matrix.distro_code }}
+      test_suite: ${{ matrix.test_suite }}
+    secrets:
+      ssh_key: ${{ secrets.SSH_KEY }}