Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix Rally scenario parameters representation"
  - Fix Rally scenario parameters representation

    Use printable format of string in scenario input parameters.

    JIRA: FUNCTEST-946

    Change-Id: Ic4826506a6f030e749fecdc7f880e9f911f9c987
    Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 125ad8b..deb36ab 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 125ad8bb51d3921351a648a3d1b53b6487a6ba51
+Subproject commit deb36ab8bd9e5f477ee2c0a098ce44567c496e5e