Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix method name in Vmtp"
  - Fix method name in Vmtp

    Change-Id: Ie23628f39979e3497c81e23d99f30e0dc7564055
    Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 78435be..ddf3051 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 78435bee2c41e269b9151954d0ce2a84e6ea0008
+Subproject commit ddf30512b98745460c1d162a54a18b0a8a814912