Add travis_wait to deploy section
Add travis_wait to deploy section

the deploy section is getting timeout to build and push
the images. see https://travis-ci.org/github/ceph/ceph-csi/jobs/678228818#L1617-L1622

Signed-off-by: Madhu Rajanna <60fbf37a92c2a0908e31296d18dadbec5a4dae17@gmail.com>

ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi