repo: add patternfly repo

Fixes ovirt-engine_3.5_upgrade-from-3.4_merged
failing on:
'ovirt-engine-3.5.0-0.0.master.20140728065324.git721618a.fc19.noarch
requires patternfly1'

Change-Id: Iafb4b4e69eedfbae32c60e87c868a2427cb19e54
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>