Update git submodules

* Update docs/submodules/yardstick from branch 'stable/fraser'
  - Merge "Start nginx and uwsgi servicies only in not container mode" into stable/fraser
  - Start nginx and uwsgi servicies only in not container mode

    No need to execute nginx and uwsgi when running in container mode.

    JIRA: YARDSTICK-1179

    Change-Id: I253f3adab388a14886b70e6589936f6eb27ac4c0
    Signed-off-by: Stepan Andrushko <stepanx.andrushko@intel.com>
    (cherry picked from commit 3decdca3d0732a1df845650562e7bcb8fbfd87a7)

diff --git a/docs/submodules/yardstick b/docs/submodules/yardstick
index e57d28d..2059466 160000 (submodule)
--- a/docs/submodules/yardstick
+++ b/docs/submodules/yardstick
@@ -1 +1 @@
-Subproject commit e57d28d462c6b8563e14043c6d2f5ed442639d03
+Subproject commit 2059466cd938bbe24a59011cfdf82fa1026b14e6