This update replaces compute references to worker in mtce,
kickstarts, installer and bsp files.
Tests Performed:
Non-containerized deployment
AIO-SX: Sanity and Nightly automated test suite
AIO-DX: Sanity and Nightly automated test suite
2+2 System: Sanity and Nightly automated test suite
2+2 System: Horizon Patch Orchestration
Kubernetes deployment:
AIO-SX: Create, delete, reboot and rebuild instances
2+2+2 System: worker nodes are unlock enable and no alarms
Story: 2004022
Task: 27013
Depends-On: https://review.openstack.org/#/c/624452/
Change-Id: I225f7d7143d841f80459603b27b95ac3f846c46f
Signed-off-by: Tao Liu <tao.liu@windriver.com>