Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to e15544dfe000aa6d055b5d8bc0fadfc8f0ef5648
  - k8s: Drop process name trimming from etcd on RKE

    Information for etcd extracted from container on a RKE-based cluster
    does not include process name.

    Issue-ID: SECCOM-235
    Change-Id: Ie6aee550868431d5f4d27c3b3d262e17e1aa6156
    Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index f649f22..e15544d 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit f649f22f8e4ec272fff3d806f8e4ba9b82ec7b4d
+Subproject commit e15544dfe000aa6d055b5d8bc0fadfc8f0ef5648