Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Promote Linda Wang as a committer"
  - Promote Linda Wang as a committer

    Change-Id: I13528178e97c0b83843888444c5925600cc8c720
    Signed-off-by: Jose Lausuch <jose.lausuch@ericsson.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 0914c7e..e7ab535 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 0914c7e7011b7ba3ed9eeae7f6c3605afb711640
+Subproject commit e7ab53553d719b0fb35b4a74cd0bbc9572c7a48d