Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Prevent KeyError during main args parsing"
  - Prevent KeyError during main args parsing

    Change-Id: Ia340c79c82b891e921379c7c0186eaa238117b13
    Signed-off-by: Martin Kulhavy <martin.kulhavy@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index a7c0423..f793114 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit a7c04235d89ab994fce7559395d7017f89c4d7ad
+Subproject commit f793114a359467deb494770c05689c87b1007707