Update git submodules

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

    Different endpoint urls can be searched with 'admin', 'internal' and
    'public' interface.

    Change-Id: I57207826d0dc2c18ce0e6a0abf09140f639f64ba
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 7c46bad..26972dd 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 7c46badb8a1957d99a982228d71a3ee9f63bcd29
+Subproject commit 26972ddefa2349dcc1ffe96be25a905046be8110