Fix logic handling for use_hyperkube_cni

roles/network_plugin/calico/tasks/main.yml

@@ -36,12 +36,12 @@
 - name: Calico | Install calico cni bin
   command: rsync -piu "{{ local_release_dir }}/calico/bin/calico" "/opt/cni/bin/calico"
   changed_when: false
-  when: not use_hyperkube_cni
+  when: use_hyperkube_cni|bool == false
 
 - name: Calico | Install calico-ipam cni bin
   command: rsync -piu "{{ local_release_dir }}/calico/bin/calico" "/opt/cni/bin/calico-ipam"
   changed_when: false
-  when: not use_hyperkube_cni
+  when: use_hyperkube_cni|bool == false
 
 - name: Calico | Copy cni plugins from hyperkube
   command: "/usr/bin/docker run --rm -v /opt/cni/bin:/cnibindir {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }} /bin/cp -r /opt/cni/bin/. /cnibindir/"