Update git submodules

Update git submodules

* Update docs/submodules/kvmfornfv from branch 'master'
  - Merge "Enabling kvmfornfv daily job test cases"
  - Enabling kvmfornfv daily job test cases

    This patch is used to enable kvmfornfv cyclictest and packet
    forwarding test cases execution as part of daily job.

    Revert "Revert "Disabling kvmfornfv daily job test cases""
    This reverts commit 4d13fcf59772c5dd2f577aedc1f3a1ab0c35c1d1

    Change-Id: I3859f0de937b683cb1f38cc0e1c57fb7a508f440
    Signed-off-by: Gundarapu Kalyan Reddy <reddyx.gundarapu@intel.com>