upload correct image to artifact server

Signed-off-by: Avinash Tahakik <avinash.tahakik@imgtec.com>

Author: Avinash95

Jenkinsfile

@@ -3,14 +3,25 @@ node('docker && imgtec') {
     docker_image = docker.image "imgtec/creator-builder:latest" // TODO for now using the creator one
     docker_image.inside {
         stage('Prepare') {
-            checkout scm
+            checkout([$class: 'GitSCM',
+                userRemoteConfigs: scm.userRemoteConfigs,
+                branches: scm.branches,
+                doGenerateSubmoduleConfigurations: scm.doGenerateSubmoduleConfigurations,
+                submoduleCfg: scm.submoduleCfg,
+                browser: scm.browser,
+                gitTool: scm.gitTool,
+                extensions: scm.extensions + [
+                    [$class: 'CleanCheckout'],
+                    [$class: 'PruneStaleBranch'],
+                ],
+            ])
         }
         stage('Build') {
             sh 'make CROSS_COMPILE=/opt/toolchains/mips-img-linux-gnu/2016.05-03/bin/mips-img-linux-gnu- pistachio_marduk_defconfig'
             sh 'make CROSS_COMPILE=/opt/toolchains/mips-img-linux-gnu/2016.05-03/bin/mips-img-linux-gnu-'
         }
         stage('Upload') {
-            archiveArtifacts 'u-boot-pistachio-nor.img'
+            archiveArtifacts 'u-boot-pistachio*.img'
         }
     }
 }