Update git submodules

Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to e377eb06714e5f53b64ae1d6f699e47bf6b13af3
  - k8s: Replace default DNS to work in corporate networks

    Default DNS addresses used in "generic/ubuntu1604" box (4.2.2.1,
    4.2.2.2, 208.67.220.220) might not work properly in corporate
    environment. To deal with this, host machine DNS configuration can be
    used instead.

    Issue-ID: SECCOM-235
    Change-Id: Ic8a5553f01989e1a2b00228fa0449a680f11d452
    Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>