Pull power supply and reset updates from Sebastian Reichel:
 - introduce reboot mode driver
 - add DT support to max8903
 - add power supply support for axp221
 - misc fixes

* tag 'for-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: reset: add reboot mode driver
  dt-bindings: power: reset: add document for reboot-mode driver
  power_supply: fix return value of get_property
  power: qcom_smbb: Make an extcon for usb cable detection
  max8903: adds support for initiation via device tree
  max8903: adds documentation for device tree bindings.
  max8903: remove unnecessary 'out of memory' error message.
  max8903: removes non zero validity checks on gpios.
  max8903: adds requesting of gpios.
  max8903: cleans up confusing relationship between dc_valid, dok and dcm.
  max8903: store pointer to pdata instead of copying it.
  power_supply: bq27xxx_battery: Group register mappings into one table
  docs: Move brcm,bcm21664-resetmgr.txt
  power/reset: make syscon_poweroff() static
  power: axp20x_usb: Add support for usb power-supply on axp22x pmics
  power_supply: bq27xxx_battery: Index register numbers by enum
  power_supply: bq27xxx_battery: Fix copy/paste error in header comment
  MAINTAINERS: Add file patterns for power supply device tree bindings
  power: reset: keystone: Enable COMPILE_TEST