packaging: spec: selinux-policy-targeted requirements

fixed selinux policy-targeted requirements for fedora.

Change-Id: I2773b19ff0b49ccdae394ae8e4e3618d9b027a23
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/19061
Reviewed-by: Dan Kenigsberg <danken@redhat.com>