selinux: set permissive mode at engine-setup time
selinux: set permissive mode at engine-setup time

engine-setup still hangs if executed from cloud-init
in enforcing mode

Change-Id: I70ff0f1f0bdd55287eca2faa6a7250dd1c947342
Bug-Url: https://bugzilla.redhat.com/1517881
Signed-off-by: Simone Tiraboschi <cb03129c66ba4da7ba7044049d0f43907bf857bb@redhat.com>

oVirt/ovirt-hosted-engine-setup,oVirt/ovirt-hosted-engine-setup