cri-o: Add cri-o as a Wants in node units

roles/openshift_node/templates/node.service.j2

@@ -8,6 +8,7 @@ Wants={{ openshift.docker.service_name }}.service
 Documentation=https://github.com/openshift/origin
 Requires=dnsmasq.service
 After=dnsmasq.service
+{% if openshift.docker.use_crio %}Wants=cri-o.service{% endif %}
 
 [Service]
 Type=notify

roles/openshift_node/templates/openshift.docker.node.dep.service

@@ -3,7 +3,7 @@ Requires={{ openshift.docker.service_name }}.service
 After={{ openshift.docker.service_name }}.service
 PartOf={{ openshift.common.service_type }}-node.service
 Before={{ openshift.common.service_type }}-node.service
-
+{% if openshift.docker.use_crio %}Wants=cri-o.service{% endif %}
 
 [Service]
 ExecStart=/bin/bash -c "if [[ -f /usr/bin/docker-current ]]; then echo \"DOCKER_ADDTL_BIND_MOUNTS=--volume=/usr/bin/docker-current:/usr/bin/docker-current:ro --volume=/etc/sysconfig/docker:/etc/sysconfig/docker:ro\" > /etc/sysconfig/{{ openshift.common.service_type }}-node-dep; else echo \"#DOCKER_ADDTL_BIND_MOUNTS=\" > /etc/sysconfig/{{ openshift.common.service_type }}-node-dep; fi"