[CONTRIB] Fix chart subcomponent's readiness image name pattern

This aims to fix the changes done in
https://gerrit.onap.org/r/c/oom/+/111509 which broke ejbca/netbox/awx
readiness image name pattern.

Change-Id: I65d2f19a96d43c61167d63eb047e960dc213c985
Issue-ID: OOM-2584
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
diff --git a/kubernetes/contrib/components/netbox/values.yaml b/kubernetes/contrib/components/netbox/values.yaml
index 0749d2d..5dc4535 100755
--- a/kubernetes/contrib/components/netbox/values.yaml
+++ b/kubernetes/contrib/components/netbox/values.yaml
@@ -16,6 +16,7 @@
 # Global configuration defaults.
 #################################################################
 global:
+  readinessRepository: nexus3.onap.org:10001
   nodePortPrefixExt: 304
   commonConfigPrefix: netbox
   readinessImage: onap/oom/readiness:3.0.1