Add CertService Guilin job

Issue-ID: OOM-2559
Signed-off-by: Piotr Marcinkiewicz <piotr.marcinkiewicz@nokia.com>
Change-Id: I94453b347603d981718f3fd315564adb79a0e9ae
diff --git a/jjb/oom-platform-cert-service/oom-platform-cert-service.yaml b/jjb/oom-platform-cert-service/oom-platform-cert-service.yaml
index 5bcd5f3..d4602e3 100644
--- a/jjb/oom-platform-cert-service/oom-platform-cert-service.yaml
+++ b/jjb/oom-platform-cert-service/oom-platform-cert-service.yaml
@@ -20,6 +20,9 @@
           -   'master':
                   branch: 'master'
                   java-version: openjdk11
+          -   'guilin':
+                  branch: 'guilin'
+                  java-version: openjdk11
       project: 'oom/platform/cert-service'
       mvn-settings: 'oom-platform-cert-service-settings'
       files: '**'