Don't use FQDN in CN for libvirt certs

According to RFC CN is limited to 63 characters, this patch
updates common_name for libvirt certs to use hostname only.
FQDN is added to alvernative names.

Change-Id: Ib509d73faeb17bcc423a2590de730baddd209d81
Related-Prod: PROD-28275
(cherry picked from commit c464b3b13162adab0512df7c366c0d3643d451ac)
4 files changed