Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to b98b27daa949aa82207973e67f5d7dd0c8a361f5
  - Documentation for vFW In-Place Upgrade with TD

    The documentation for vFW Traffic Distributino use case
    evolves to vFW InPlace Upgrade with TD one. There is
    changed description of the use case purpose, the workflow,
    the configuration procedure and information about the
    way of testing.

    Change-Id: I1e68d46871864b4e65df553355b3a11d86b4c9cb
    Issue-ID: INT-1277
    Signed-off-by: Lukasz Rajewski <lukasz.rajewski@orange.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index 151f6bd..b98b27d 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit 151f6bd9846696668cdf395706dfc567442823e4
+Subproject commit b98b27daa949aa82207973e67f5d7dd0c8a361f5