+++ This bug was initially created as a clone of Bug #1575546 +++

Description of problem:
Set openshift_logging_eventrouter_cpu_limit=150m and openshift_logging_eventrouter_cpu_request=150m, they don't take effect.
there are not resources.limits.cpu, and resources.requests.cpu in pod spec

spec:
  containers:
  - image: brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/openshift3/logging-eventrouter:v3.10
    imagePullPolicy: IfNotPresent
    name: kube-eventrouter
    resources:
      limits:
        memory: 128Mi
      requests:
        memory: 128Mi



Version-Release number of selected component (if applicable):
# rpm -qa | grep openshift-ansible
openshift-ansible-roles-3.10.0-0.33.0.git.0.0aa585e.el7.noarch
openshift-ansible-playbooks-3.10.0-0.33.0.git.0.0aa585e.el7.noarch
openshift-ansible-3.10.0-0.33.0.git.0.0aa585e.el7.noarch
openshift-ansible-docs-3.10.0-0.33.0.git.0.0aa585e.el7.noarch


How reproducible:
Always

Steps to Reproduce:
1. Deploy logging with eventrouter, set openshift_logging_eventrouter_cpu_limit=150m and openshift_logging_eventrouter_cpu_request=150m inventory
2.
3.

Actual results:
openshift_logging_eventrouter_cpu_limit and openshift_logging_eventrouter_cpu_request don't take effect

Expected results:
openshift_logging_eventrouter_cpu_limit and openshift_logging_eventrouter_cpu_request take effect

Additional info:
openshift_logging_install_logging=true
openshift_logging_image_prefix=${IMAGE_PREFIX}
openshift_logging_image_version=v3.10
openshift_logging_elasticsearch_cpu_limit=500m
openshift_logging_elasticsearch_memory_limit=1Gi
openshift_logging_install_eventrouter=true
openshift_logging_eventrouter_cpu_limit=150m
openshift_logging_eventrouter_cpu_request=150m