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

Merge power capping updates, OPP (operating performance points) updates
and energy model management documentation updates for 6.20-rc1/7.0-rc1:

 - Add PL4 support for Ice Lake to the Intel RAPL power capping
   driver (Daniel Tang)

 - Replace sprintf() with sysfs_emit() in power capping sysfs show
   functions (Sumeet Pawnikar)

 - Make dev_pm_opp_get_level() return value match the documentation
   after a previous update of the latter (Aleks Todorov)

 - Use scoped for each OF child loop in the OPP code (Krzysztof
   Kozlowski)

 - Fix a bug in an example code snippet and correct typos in the energy
   model management documentation (Patrick Little)

* pm-powercap:
  powercap: intel_rapl: Add PL4 support for Ice Lake
  powercap: Replace sprintf() with sysfs_emit() in sysfs show functions

* pm-opp:
  OPP: Return correct value in dev_pm_opp_get_level
  OPP: of: Simplify with scoped for each OF child loop

* pm-em:
  PM: EM: Documentation: Fix bug in example code snippet
  Documentation: Fix typos in energy model documentation