Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Remove the config of promise

    Change-Id: I9e393ce33228f90f724df12af258cf06fae821fc
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 0273da0..2bc2a04 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 0273da05f68727835b5fc778f54eb70ccae209d8
+Subproject commit 2bc2a045a42796610e2d1d38eada7972e8c96454