AETHER-761 Add support of private image registry with auth enabled

Change-Id: I25e804570357c513bfd1822ab9d971c7ed1c5405
diff --git a/ran/accelleran-cbrs/accelleran-cbrs-cu/templates/statefulset-accelleran-cbrs-cu.yaml b/ran/accelleran-cbrs/accelleran-cbrs-cu/templates/statefulset-accelleran-cbrs-cu.yaml
index 4553d66..a116822 100644
--- a/ran/accelleran-cbrs/accelleran-cbrs-cu/templates/statefulset-accelleran-cbrs-cu.yaml
+++ b/ran/accelleran-cbrs/accelleran-cbrs-cu/templates/statefulset-accelleran-cbrs-cu.yaml
@@ -29,6 +29,10 @@
       nodeSelector:
         {{ .Values.nodeSelectors.accelleranCBRSCU.label }}: {{ .Values.nodeSelectors.accelleranCBRSCU.value }}
     {{- end }}
+    {{- if .Values.images.credentials }}
+      imagePullSecrets:
+        - name: {{ .Release.Name }}.registry
+    {{- end }}
       initContainers:
       - name: cu-init
         image: {{ .Values.images.tags.initCU }}