ppc64le mock patch merged

FYI, I just merged [1] to allow us to run ppc64le mock in addition to x86_64. I did verification as much as possible, but if you see errors on ci that might be related, please communicate them here. [1] https://gerrit.ovirt.org/#/c/61735/ -- Eyal Edri Associate Manager RHV DevOps EMEA ENG Virtualization R&D Red Hat Israel phone: +972-9-7692018 irc: eedri (on #tlv #rhev-dev #rhev-integ)