Fix "Register host" task in rhsm-subscription role
Fix "Register host" task in rhsm-subscription role

Fixes #932

cwilkers/openshift-ansible-contrib,dav1x/openshift-ansible-contrib,pschiffe/openshift-ansible-contrib,cwilkers/openshift-ansible-contrib,cwilkers/openshift-ansible-contrib,openshift/openshift-ansible-contrib,dav1x/openshift-ansible-contrib,openshift/openshift-ansible-contrib,dav1x/openshift-ansible-contrib,pschiffe/openshift-ansible-contrib,openshift/openshift-ansible-contrib,cwilkers/openshift-ansible-contrib,dav1x/openshift-ansible-contrib,openshift/openshift-ansible-contrib,pschiffe/openshift-ansible-contrib,pschiffe/openshift-ansible-contrib