Merge branches 'pm-em', 'pm-opp' and 'pm-devfreq'

Merge energy model management, OPP (operating performance points) and
devfreq updates for 6.18-rc1:

 - Prevent CPU capacity updates after registering a perf domain from
   failing on a first CPU that is not present (Christian Loehle)

 - Add support for the cases in which frequency alone is not sufficient
   to uniquely identify an OPP (Krishna Chaitanya Chundru)

 - Use to_result() for OPP error handling in Rust (Onur Özkan)

 - Add support for LPDDR5 on Rockhip RK3588 SoC to rockchip-dfi devfreq
   driver (Nicolas Frattaroli)

 - Fix an issue where DDR cycle counts on RK3588/RK3528 with LPDDR4(X)
   are reported as half by adding a cycle multiplier to the DFI driver
   in rockchip-dfi devfreq-event driver (Nicolas Frattaroli)

 - Fix missing error pointer dereference check of regulator instance in
   the mtk-cci devfreq driver probe and remove a redundant condition from
   an if () statement in that driver (Dan Carpenter, Liao Yuanhong)

* pm-em:
  PM: EM: Fix late boot with holes in CPU topology

* pm-opp:
  OPP: Add support to find OPP for a set of keys
  rust: opp: use to_result for error handling

* pm-devfreq:
  PM / devfreq: rockchip-dfi: add support for LPDDR5
  PM / devfreq: rockchip-dfi: double count on RK3588
  PM / devfreq: mtk-cci: avoid redundant conditions
  PM / devfreq: mtk-cci: Fix potential error pointer dereference in probe()

diff --cc rust/kernel/opp.rs
Simple merge