Update git submodules

* Update docs/submodules/functest from branch 'stable/euphrates'
  - Merge "Enable parser testcase" into stable/euphrates
  - Enable parser testcase

    Currently parser tescase in functest disabled, it's
    neccessary to enable it since we have tested successfully
    with the installers of fuel, apex and daisy.

    Change-Id: Ic3995cec813cc41c897b9c600b90d1fbbe8a74e2
    Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>
    (cherry picked from commit 734cb4d6d66b2fa638e82d366d480404997e005e)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 1596759..bad7a64 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 15967590e6747dfc99fd6d56b9e7b70e63fa9828
+Subproject commit bad7a649e252c3f4bd68f7b756213c2a2459f1fa