[kernel]: add pr build for buster kernel (sonic-net#96)

Signed-off-by: Guohan Lu <[email protected]>

Author: lguohan

jenkins/common/linux-kernel-build/Jenkinsfile

@@ -1,5 +1,5 @@
 pipeline {
-    agent { node { label 'sonic-slave-stretch' } }
+    agent { node { label 'sonic-slave-buster' } }
 
     options {
         buildDiscarder(logRotator(artifactDaysToKeepStr: '', artifactNumToKeepStr: '', daysToKeepStr: '', numToKeepStr: '10'))

jenkins/common/linux-kernel-buster-build-pr/Jenkinsfile

@@ -0,0 +1,30 @@
+pipeline {
+    agent { node { label 'sonic-slave-buster' } }
+
+    stages {
+        stage('Prepare') {
+            steps {
+                checkout([$class: 'GitSCM',
+                          branches: [[name: '${sha1}']],
+                          userRemoteConfigs: [[url: 'http://github.com/Azure/sonic-linux-kernel',
+                                               refspec: '+refs/pull/*:refs/remotes/origin/pr/*']]])
+            }
+        }
+
+        stage('Build') {
+            steps {
+                sh '''
+#!/bin/bash -ex
+
+export kernel_procure_method=build
+make
+'''
+            }
+        }
+    }
+    post {
+        success {
+            archiveArtifacts(artifacts: '*.deb')
+        }
+    }
+}