Update git submodules

Update git submodules

* Update docs/submodules/kvmfornfv from branch 'master'
  - Merge "To generate debug rpm and debian package for kvmfornfv kernel"
  - To generate debug rpm and debian package for kvmfornfv kernel

    This patch is used to strip the debug information from binary
    files and generate separate debug package along with
    binary package while building the kernel.The debuginfo package
    is uploaded only for daily job.

    Upstream status: Pending

    Change-Id: Iad2cfd8e252d218a9d603e9dbed2aa557d83e263
    Co-Authored by:shravani paladugula <shravani.p@tcs.com>
    Signed-off-by: Navya Bathula <navyax.bathula@intel.com>