add calico-node selinux (#6359)

roles/network_plugin/calico/templates/calico-node.yml.j2

@@ -57,6 +57,8 @@ spec:
               name: host-local-net-dir
             - mountPath: /host/opt/cni/bin
               name: cni-bin-dir
+          securityContext:
+            privileged: true
 {% endif %}
         # This container installs the Calico CNI binaries
         # and CNI network config file on each node.
@@ -88,6 +90,8 @@ spec:
               name: cni-net-dir
             - mountPath: /host/opt/cni/bin
               name: cni-bin-dir
+          securityContext:
+            privileged: true
 {% endif %}
       containers:
 {% if calico_version is version('v3.3.0', '>=') and calico_version is version('v3.4.0', '<') %}