Bump RDO delorean repositories to current-passed-ci for Mitaka

RDO now has regular and good coverage which leads to tested
repository promotion to current-passed-ci.
Bumping to current-passed-ci should lead to less errors and
instability.

Change-Id: Ifb68a26afe0062a27303553b8116a3c739aa33c6

kolla/common/config.py

@@ -19,7 +19,7 @@ from kolla import version
 
 
 RDO_MIRROR = "http://trunk.rdoproject.org/centos7"
-DELOREAN = "{}/current/delorean.repo".format(RDO_MIRROR)
+DELOREAN = "{}/current-passed-ci/delorean.repo".format(RDO_MIRROR)
 DELOREAN_DEPS = "{}/delorean-deps.repo".format(RDO_MIRROR)
 INSTALL_TYPE_CHOICES = ['binary', 'source', 'rdo', 'rhos']