"cpu" command | Add CPUFreq stats for time in states

[MichaIng]

Creating a feature request

Is your feature request related to a problem? Please describe:

• #7015

Describe the solution you'd like:

• Add a table with CPU time in pstates to the end of the output, so one can see whether/how the governor works.

Describe alternatives you've considered:

• ...

Additional context

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