[Skiboot] [RESEND PATCH v1 10/11]ibm-fsp/firenze: Add OPAL call to enable/disable Nest pmu

[Stewart Smith]

Madhavan Srinivasan <maddy at linux.vnet.ibm.com> writes:
> Patch adds a new OPAL call to start and stop PORE Thread Scheduler(PTS)
> for Nest PMU Counter collection.

This needs to be documented in doc/opal-api - including completely how
the kernel should read things, and if there's other docs/data structures
to read, what and where those docs are.