Refactor ocp-workloads to use openshift_workloads role

[jkupferer]

SUMMARY

Refactor ocp-workloads config to add openshift_workloads role so that other configs may implement workloads.

• Facilitate ease of configs deploying openshift_workloads.

ISSUE TYPE

• Feature Pull Request

COMPONENT NAME

• Config ocp-workloads
• Role openshift_workloads