Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to c85fd2844bb7fdd2b92505ec89695b8d7e873de5
  - Provide Sample Signed PNF Package for Integration Test with certificate
    inside signature

    This can be used for integration test of Pre-Onboarding and Onboarding
    of a PNF package.

    Issue-ID: INT-1017

    Change-Id: I01f6ebdf4498bd3aac028d8ce6fa510287999d65
    Signed-off-by: Szabolcs Hutvagner <szabolcs.hutvagner@ericsson.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index bce23ab..c85fd28 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit bce23ab2e95908624a11e21c8751d7791e15c4ef
+Subproject commit c85fd2844bb7fdd2b92505ec89695b8d7e873de5