Set CI environment for OpenCI migration

While migration, JENKINS_PUBLIC_URL will be set to
jenkins.openci.arm.com. Hence, add condition to
set necessary environment.

Change-Id: I0c73d0bb77cc0c81984a5b406a19f4103e66f5ca
Signed-off-by: Saheer Babu <saheer.babu@arm.com>
1 file changed