Disable parallel make for easier debugging

make -j4 was used for speedup, however it is difficult to trace
failures.
Signed-off-by: Mike Marchetti <mmarchetti@sandvine.com>

Change-Id: I06a1dbb3bf295030d05cc22b4f84c4a6e9796a7a
diff --git a/jenkins/ci-pipelines/ci_stage_3.groovy b/jenkins/ci-pipelines/ci_stage_3.groovy
index 1c0c367..ec4cdaf 100644
--- a/jenkins/ci-pipelines/ci_stage_3.groovy
+++ b/jenkins/ci-pipelines/ci_stage_3.groovy
@@ -176,7 +176,7 @@
         if ( params.DO_BUILD ) {
             stage("Build") {
                 sh "make -C docker clean"
-                sh "make -j4 -C docker CMD_DOCKER_ARGS= TAG=${container_name} RELEASE=${params.RELEASE} REPOSITORY_BASE=${repo_base_url} REPOSITORY_KEY=${params.REPO_KEY_NAME} REPOSITORY=${params.REPO_DISTRO}"
+                sh "make -C docker Q= CMD_DOCKER_ARGS= TAG=${container_name} RELEASE=${params.RELEASE} REPOSITORY_BASE=${repo_base_url} REPOSITORY_KEY=${params.REPO_KEY_NAME} REPOSITORY=${params.REPO_DISTRO}"
             }
         }