Fix bootstrap-osa.sh re-entrance
Fix bootstrap-osa.sh re-entrance

Re-running bootstrap-osa.sh will wipe out
patches applied to /etc/openstack_deploy and
they are not reapplied.  This fixes that bug by
moving the copy into the same if block that applies
the patches.

Change-Id: I723a3ebcdd6c782efc983eb2f8ce28b24acc4a3f

open-power-ref-design-toolkit/os-services,open-power-ref-design-toolkit/os-services,open-power-ref-design-toolkit/os-services,open-power-ref-design/os-services,open-power-ref-design/os-services