* Update docs/submodules/yardstick from branch 'master'
- Merge "Added example TC with collectd on compute node"
- Added example TC with collectd on compute node
To be used with yardstick/etc/yardstick/nodes/pod.yaml.collectd.sample
Change-Id: I6eff4f6adf57596e06c685ab87b83699696ad7b6 Signed-off-by: Maciej Skrocki <maciej.skrocki@intel.com>