Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix typos in docs"
  - Fix typos in docs

    Fixed multiple typos and minor spelling errors found in the
    documentation.

    Change-Id: I102e3b7d3d421042dbef66f261e2183b0dfe24a8
    Signed-off-by: Martin Kulhavy <martin.kulhavy@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 1b838b4..01b6af1 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 1b838b4bd75f21e45e8a40407b1e3279dd5935d2
+Subproject commit 01b6af1f43f8ea780ff4c0611ab7f4d4c0ce993c