tf-m-build-config: Update from upstream

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I697b702fd441d71792c4b5f193412d2bf9b9e106
diff --git a/tf-m-build-config.yaml b/tf-m-build-config.yaml
index 326b4c2..735c392 100644
--- a/tf-m-build-config.yaml
+++ b/tf-m-build-config.yaml
@@ -91,7 +91,7 @@
           default: 'https://review.trustedfirmware.org/TF-M/trusted-firmware-m'
       - string:
           name: 'CI_SCRIPTS_REPO'
-          default: 'https://git.trustedfirmware.org/ci/tf-m-ci-scripts'
+          default: 'https://review.trustedfirmware.org/ci/tf-m-ci-scripts'
       - string:
           name: 'CI_SCRIPTS_BRANCH'
           default: 'master'
@@ -168,11 +168,6 @@
           name: SHARE_FOLDER
           default: '/srv/shared/staging/${JOB_NAME}/${BUILD_NUMBER}'
           description: 'Folder containing shared repositories for downstream pipeline jobs'
-      - string:
-          name: 'BUILD_JOBS'
-          default: '1'
-          description: |
-            --jobs to pass to make, etc.
     wrappers:
         - timestamps
     pipeline-scm:
@@ -181,6 +176,7 @@
             url: '$CI_SCRIPTS_REPO'
             branches:
             - '$CI_SCRIPTS_BRANCH'
+            refspec: '+refs/heads/*:refs/remotes/origin/* +refs/changes/*:refs/remotes/origin/refs/changes/*'
             credentials-id: GIT_SSH_KEY
             wipe-workspace: false
       script-path: jenkins/build-config.jpl