Add a command to show the live logs for the upgrade progress.

1. Proposed title of this feature requests

• Live logs for the upgrade progress with GUI and CommandLine.

2.  What is the nature and description of the request?

1. Something like $ oc adm upgrade –to=4.x –wait-for-upgrade
2. It should print out the live logs for the upgrade process going on.{}

3. Why does the customer need this? (List the business requirements here)

1. From the customer's perspective, It is difficult to understand the progress of the upgrade by just checking the progress percentage. 
2. Sometimes support engineers have to join the remote just to ensure that things are in place and assure customers that nothing is broken.
3.  Adding such a feature will help customer to monitor the upgrade efficiently.
4. It will help support engineers also to identify the point of failure and take action accordingly.
5. Collecting must-gather and attaching it to the case each time when the upgrade is stuck is time-consuming and frustrating.  
6. It will improve the user experience for cluster upgrades. 

4. List any affected packages or components.
Cluster-version-operator