File system benchmarking with SBK-GEM-YAL

[kmgowda]

Describe the Issue (Bug/Feature)
Run sbk-gem-yal command on set of nodes/systems for file system benchmarking

To Reproduce

1. set the ssh name and password on set of host/nodes/systems
2. run the sbk-gem-yal with input yml file containing the option "-class file" to get the file system benchmarking on all the hosts and integrated on host

Expected behavior
you will get the fully integrated file system benchmarking results on the node where you are running sbk-gem-yal

Additional context
see the examples here : https://github.com/kmgowda/SBK/tree/master/sbk-gem-yal