OPP updates for 6.5

- Simplify performance state related logic in the OPP core (Viresh
  Kumar).

- Fix use-after-free and improve locking around lazy_opp_tables (Viresh
  Kumar and Stephan Gerhold).

- Minor cleanups - using dev_err_probe() and rate-limiting debug
  messages (Andrew Halaney and Adrián Larumbe).
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