Update git submodules

* Update docs/submodules/yardstick from branch 'stable/fraser'
  - Merge "Get HA test case results on failure" into stable/fraser
  - Get HA test case results on failure

    Now, yardstick HA test cases (which have 'sla action: monitor') do
    not output results if the test case SLA validation fails.
    This patch modifies the task runner and the serviceHA scenario so
    that during an SLA validation failure the test result data is
    captured correctly.

    Do similar changes in the general scenario.

    fix missing variable k
    s/envrioment/environment

    JIRA: YARDSTICK-1115

    Change-Id: I648a8b229600c0ad089320ac3f803698f73aa800
    Signed-off-by: Miikka Koistinen <miikka.koistinen@nokia.com>
    (cherry picked from commit dd87e15c9c4f0aff3577c1bcd68bd86dd2d64898)
    Signed-off-by: Ross Brattain <ross.b.brattain@intel.com>

diff --git a/docs/submodules/yardstick b/docs/submodules/yardstick
index 461400f..e8681f0 160000 (submodule)
--- a/docs/submodules/yardstick
+++ b/docs/submodules/yardstick
@@ -1 +1 @@
-Subproject commit 461400f3a0da8de762561677190e304aad07f94b
+Subproject commit e8681f0098f0334323386dbba716b3a8680f4cc3