Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Replace CONST.* by getattribute/setattr"
  - Replace CONST.* by getattribute/setattr

    Directories affected:
     - ci
     - core

    and respective unit tests

    Change-Id: I6a3d5aa68de29fc5a37ae543a067ff797eba33e6
    Signed-off-by: jose.lausuch <jose.lausuch@ericsson.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 60f2c04..6e4d097 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 60f2c04e6c01c55cb66dfaebda436e2c60a6a3ac
+Subproject commit 6e4d097a8881fa0cfcc2c192639eb0f17ce025a2