Merge branches 'pm-devfreq', 'powercap', 'pm-docs' and 'pm-tools'

Merge branches 'pm-devfreq', 'powercap', 'pm-docs' and 'pm-tools'

* pm-devfreq:
  PM / devfreq: Use lockdep asserts instead of manual checks for locked mutex
  PM / devfreq: imx-bus: Fix inconsistent IS_ERR and PTR_ERR
  PM / devfreq: Replace strncpy with strscpy
  PM / devfreq: imx: Register interconnect device
  PM / devfreq: Add generic imx bus scaling driver
  PM / devfreq: tegra30: Delete an error message in tegra_devfreq_probe()
  PM / devfreq: tegra30: Make CPUFreq notifier to take into account boosting

* powercap:
  powercap: RAPL: remove unused local MSR define
  powercap/intel_rapl: add support for ElkhartLake

* pm-docs:
  Documentation: admin-guide: pm: Document intel-speed-select

* pm-tools:
  cpupower: Remove unneeded semicolon