commit 0340ff83 upstream.

ci_role BUGs when the role is >= CI_ROLE_END.
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>