kata-payload: Make resources for s390x overridden by base

Due to the fact that kustomize does not allow the 2nd level of
resource patch, this commit is to make the resources overridden
by base directly.

Fixes: #320

Signed-off-by: Hyounggyu Choi <Hyounggyu.Choi@ibm.com>

config/samples/ccruntime/s390x/kustomization.yaml

@@ -4,9 +4,11 @@ kind: Kustomization
 nameSuffix: -s390x
 
 resources:
-- ../default
+- ../base
 
 images:
+- name: quay.io/confidential-containers/reqs-payload
+  newTag: latest
 - name: quay.io/kata-containers/kata-deploy
   newName: quay.io/kata-containers/kata-deploy-ci
   newTag: kata-containers-latest