This directory is no longer available in CentOS 8 with base openssl package.
Libvirt still has the default to /etc/pki/CA for some TLS settings. Lets add
openssl-perl to get /etc/pki/CA and keep defaults where possible.
Change-Id: I8b50a4c79fca19106d752ad50956164a590e8f38
Related-Bug: #1821139