Enable using existing image pull secret

Change-Id: I3f9412b04532ce5993fff18900021c24e5e096b5
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 a116822..1efc9c6 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
@@ -29,9 +29,9 @@
       nodeSelector:
         {{ .Values.nodeSelectors.accelleranCBRSCU.label }}: {{ .Values.nodeSelectors.accelleranCBRSCU.value }}
     {{- end }}
-    {{- if .Values.images.credentials }}
+    {{- if hasKey .Values.images "pullSecrets" }}
       imagePullSecrets:
-        - name: {{ .Release.Name }}.registry
+{{ toYaml .Values.images.pullSecrets | indent 8 }}
     {{- end }}
       initContainers:
       - name: cu-init