Update git submodules

Update git submodules

* Update docs/submodules/ccsdk/platform/plugins.git from branch 'master'
  to 9cdef01070d0227b7a03e907d55de4a3b7295ce2
  - [20190304] update copyright and __init__.py

    Update all copyrights. Update dmaapplugin/__init__.py to match the
    ONAP environment. 1) Consul address is "consul". 2) certificate is
    at /opt/onap/certs/cacert.pem. 3) Consul key name "dmaap-plugin"
    4) Bus controller address is "dmaap-bc", port 8080 or 8443.

    Issue-ID: CCSDK-794
    Change-Id: I47c85be11430510e2035f7972f97e63fe11757dc
    Signed-off-by: xufeiliu <xl085b@att.com>