Update git submodules

Update git submodules

* Update docs/submodules/ccsdk/dashboard.git from branch 'master'
  to 1389a99971faab450ea1e33728aab788343d98e7
  - Merge "CCSDK-1536 -return this expression instead of assigning it to the temporary variable"
  - CCSDK-1536 -return this expression instead of assigning it to the temporary variable

    return this expression instead of assigning it to the temporary variable

    Issue-ID: CCSDK-1536
    Change-Id: Ib0e7970585978e84189b5c71f2fd9c6c6c74eab8
    Signed-off-by: Thugutla Sailakshmi <tsaila10@in.ibm.com>