Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Update documentation for Functest

    1. Remove the reference of ubuntu based container
    2. Remove the domino (terminated) and promise (not in F),
       and move fds to features tier

    Change-Id: I62af47a3f873f0a77d5f7e0a1df493651c805834
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 6fa563f..a62233a 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 6fa563f54ff36c091f9f98b17b410e95879ec921
+Subproject commit a62233a19e60ca2c13bcbf0f477a0652842c89b6