Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Update userguide"
  - Update userguide

    Change-Id: I2725ffcb4101496c2019d22215b1585fa3444775
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 2f706a2..0200a73 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 2f706a2fa14b9e0de5fede35e01dc10899512b48
+Subproject commit 0200a732852cd06ceef3c007ce7578349825c67b