Merge branch 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfre...

Pull devfreq material for 4.20 from MyungJoo Ham.

"This mainly has follow-ups for recent Linux changes in a few
 APIs (thermal, kfree, dev*, ...)."

* 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq:
  PM / devfreq: remove redundant null pointer check before kfree
  PM / devfreq: stopping the governor before device_unregister()
  PM / devfreq: Convert to using %pOFn instead of device_node.name
  PM / devfreq: Make update_devfreq() public
  PM / devfreq: Don't adjust to user limits in governors
  PM / devfreq: Fix handling of min/max_freq == 0
  PM / devfreq: Drop custom MIN/MAX macros
  PM / devfreq: Fix devfreq_add_device() when drivers are built as modules.