Update git submodules

Update git submodules

* Update docs/submodules/ccsdk/distribution.git from branch 'master'
  to b8ea4fbbf2c504a660843007e362098b25fd3b5a
  - Merge "Fix dgbuilder image runtime dependencies"
  - Fix dgbuilder image runtime dependencies

    Move npm install into docker build phase, where it should be. Due to the
    nature of the upstream project (node-RED) there can be still some
    runtime dependencies - it depends on the use-case.

    Issue-ID: CCSDK-1117
    Signed-off-by: Petr Ospalý <p.ospaly@partner.samsung.com>
    Change-Id: I2abda871b880d8323de186dba04f2d1d92ab7622