Update git submodules

Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "KVMFORNFV: Common build packages for daily test cases"
  - KVMFORNFV: Common build packages for daily test cases

    This patch is used to upload the metadata file only for the artifacts
    built by daily build job. Also used to add seperate checks for the
    artifacts uploaded by build and test phases.

    Change-Id: I4c760e2269f3251fd0de91a803123167fb2ad225
    Signed-off-by: Gundarapu Kalyan Reddy <reddyx.gundarapu@intel.com>