Merge branches 'powercap' and 'pm-devfreq'

Merge devfreq changes and a new CPU idle time injection framework
for 4.19.

* powercap:
  powercap / idle_inject: Add an idle injection framework

* pm-devfreq:
  PM / devfreq: rk3399_dmc: Fix duplicated opp table on reload.
  PM / devfreq: Init user limits from OPP limits, not viceversa
  PM / devfreq: rk3399_dmc: fix spelling mistakes.
  PM / devfreq: rk3399_dmc: do not print error when get supply and clk defer.
  dt-bindings: devfreq: rk3399_dmc: move interrupts to be optional.
  PM / devfreq: rk3399_dmc: remove wait for dcf irq event.
  dt-bindings: clock: add rk3399 DDR3 standard speed bins.
  dt-bindings: devfreq: rk3399_dmc: improve binding documentation.
  PM / devfreq: use put_device() instead of kfree()
  PM / devfreq: exynos-ppmu: Delete an error message for a failed memory allocation in exynos_ppmu_probe()