Update git submodules

Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Add support for Bottlenecks' new framework and potential installers"
  - Add support for Bottlenecks' new framework and potential installers

    JIRA: BOTTLENECK-103

    Bottlencks does not use docker-compose and support sourcing rc files
    from different installers. This patch is to modify the CI process
    for Bottlenecks.

    Change-Id: I79dc79c6a9528678bf62caa1fa817273e040288c
    Signed-off-by: yuyang <Gabriel.yuyang@huawei.com>