Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Reorder Vnf testcases

    Cloudify IMS testcases could easily tigger jjob timeouts.
    Vyos_router should run before as it ends much quickier.

    Change-Id: Icd4323a7216615e75613e5fb241ae144f727d4fd
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index c9b458f..c38d87b 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit c9b458f4cdfd3a101943bc0e47dbbb895b5b4dd0
+Subproject commit c38d87b9a57466a5663395926a576a87623eb2f4