Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Avoid duplicating jjb names

    It allows loading functest and functest-kubernetes jjbs in one
    Jenkins.

    Change-Id: Ia52e84583bc25aad0d1508096b536cbd5585d261
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 890bc75c29ef98fe2eb0dd8e456ad6eafa9d26a1)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 0ca6df5..8d896c9 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 0ca6df5099fd237ebd21cec31ff6db0733e0ac95
+Subproject commit 8d896c9529c7711b86cdc963b26a14c22688f12e