Update git submodules

Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Merge "refstack result parse"
  - refstack result parse

    JIRA: DOVETAIL-375

    1, together with other testsuite from functest, such as tempest etc.
    this should merge after https://gerrit.opnfv.org/gerrit/#/c/31313/
    2, delete some unnecessary definition
    3, bugfix of docker cp inside container, see
       https://build.opnfv.org/ci/view/dovetail/job/dovetail-compass-baremetal-debug-master/361/console
    4, disable tempest testcaes since changed to refstack_defcore

    Change-Id: I67503e348af4a3f697f1b4106bfe81c05add8aa0
    Signed-off-by: MatthewLi <matthew.lijun@huawei.com>