Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 6b1f78b2efca686e61058ea5848b1f31d3f59270
  - k8s: Unify provisioning scripts

    This patch:

    * removes remaining string interpolation (for future script reuse),
    * makes DNS replacement provisioner always run.

    This way VM definition is more concise and resilient.

    Issue-ID: SECCOM-235
    Change-Id: I382dae5e256b46577c4c8af3aa45ab4d64d1b2b9
    Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index 5ee9206..6b1f78b 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit 5ee92067ff6bcf970a0418b235ca3daa6247ff05
+Subproject commit 6b1f78b2efca686e61058ea5848b1f31d3f59270