Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Set image and flavor id in tempest config file"
  - Set image and flavor id in tempest config file

    Kingbird tests require that image and flavor are defined in tempest
    configuration file.

    JIRA: FUNCTEST-783

    Change-Id: If96ef8e38e3f1a5946b687f1e5c8c0a6c3a90d54
    Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index e2bef24..e7bf952 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit e2bef24394cbfa22c67328d13024e08a4ac6a266
+Subproject commit e7bf9522650ef591a3903d311e475b4b964e1083