Merge changes Iad754e82,I98666d74,Ic20482e6,I0a833f47 into msm-3.0

* changes:
  mfd: pmic8901: Remove pm8901_reset_power_off implementation
  board: 8660: Add platform data for PM8901 pm8xxx-misc device
  mfd: pmic8901: Add pm8xxx-misc mfd device
  mfd: pm8xxx-misc: Add delay after disabling regulators in shutdown function