PowerVS: Add an only IPI regions list

[hamzy]

In order for the IPI installer to be able to use this module, it needs the ability to have the list of regions to only include supported regions.

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[hamzy]

/hold

[hamzy]

/hold cancel

[hamzy]

/assign @mkumatag

[hamzy]

I looks like IPI will have to live with updating the same code in two different repos instead of using a module.

[mkumatag]

I looks like IPI will have to live with updating the same code in two different repos instead of using a module.

I don't see any better way, @Karthik-K-N @dharaneeshvrd if you have any better idea for this?

[hamzy]

This PR does provide a way to solve the problem. It also effects the code minimally without altering every API used.

[mkumatag]

This PR does provide a way to solve the problem. It also effects the code minimally without altering every API used.

But I see repeated code there, need find a way to reduce that.

[hamzy]

Hrm, when you force push a new version, you cannot reopen the PR. How weird.