landonf 101b79037d bhnd(4): Initial PMU/PWRCTL power and clock management support.
- Added bhnd_pmu driver implementations for PMU and PWRCTL chipsets,
  derived from Broadcom's ISC-licensed HND code.
- Added bhnd bus-level support for routing per-core clock and resource
  power requests to the PMU device.
- Lift ChipCommon support out into the bhnd module, dropping
  bhnd_chipc.

Reviewed by:	mizhka
Approved by:	adrian (mentor)
Differential Revision:	https://reviews.freebsd.org/D7492
2016-08-27 00:03:02 +00:00
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