Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Release notes for Euphrates 5.0"
  - Release notes for Euphrates 5.0

    Change-Id: Icdce56bdacba8530cc2f35c8f3c6b1acfd4bf522
    Signed-off-by: Jose Lausuch <jalausuch@suse.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 6b0083e..ac38bd3 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 6b0083ed7e134a5fadf7d6caa18ffd98067c9b38
+Subproject commit ac38bd303c8286120e43c13b25d96d6c9271de43