Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix the config of fixed_network_name in tempest"
  - Fix the config of fixed_network_name in tempest

    Change-Id: I58726d0fec5b2da4ea8ac1f9925fe56d2f9d7ce0
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 9e9e8c9..fb85975 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 9e9e8c9b89fc7c419d1824190217897118800275
+Subproject commit fb85975fee7c3c67d3b10df58e4b742034fbd2ab