Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Switch to absolute paths in Dockerfiles"
  - Switch to absolute paths in Dockerfiles

    It updates functest-smoke and functest-restapi.

    Change-Id: If4d48f8a6ead1b9b7726a9b7b7baf6b51340a926
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 3b54b93..5630796 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 3b54b935c9171891a86d3b7b3bf98eac776ad259
+Subproject commit 5630796fe55efac8d29bff38d472d84ef03d034a