Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 68d93c2a8cf5417cca2d4f9dafb30f08451ed24f
  - Fix failures return codes in vcpe scripts

    Conditional exits on failures should return
    with non zero exit code for better behavior
    in testing pipelines.

    Change-Id: Ied2e699a2cd38cc741e6d9d9a5c88082f09fa549
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
    Issue-ID: TEST-226

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index 2a75ad6..68d93c2 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit 2a75ad689a5024b38c53354973588d2f68da2596
+Subproject commit 68d93c2a8cf5417cca2d4f9dafb30f08451ed24f