Update git submodules

* Update docs/submodules/yardstick from branch 'master'
  - Merge "Replace nova create instance with shade client."
  - Replace nova create instance with shade client.
    
    Remove redundant functions:
    *get_instances
    *get_instance_status
    *get_instance_by_name
    
    Function create_instance_and_wait_for_active now uses shade client.
    
    JIRA: YARDSTICK-1088
    
    Change-Id: I766da333dabbb1b83a7b4ede4bf73567ec70eb8c
    Signed-off-by: Shobhi Jain <shobhi.jain@intel.com>
    

1 files changed, 0 insertions, 0 deletions

diff --git a/docs/submodules/yardstick b/docs/submodules/yardstick
-Subproject e937764091fbb568e285a506582bbcc36fdb051
+Subproject e6f8f286aa18d30b1b3eb09391bf8e8f6f08c67