Handle create workflow of newly proposed Power VS cluster creation method

[Karthik-K-N]

/kind feature
/area provider/ibmcloud

Describe the solution you'd like
[A clear and concise description of what you want to happen.]

New way of creating Power VS cluster has been added here #1488

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

[Karthik-K-N]

/assign

[Karthik-K-N]

Most of the code changes are done and it can been seen here https://github.com/Karthik-K-N/cluster-api-provider-ibmcloud/tree/update-ignition

[Amulyam24]

Added via #1608
/close

[k8s-ci-robot]

@Amulyam24: Closing this issue.

In response to this:

Added via #1608
/close

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