crystalcove pmic support from Shobhit. Patch series has all acks/r-bs from
other mainainers so ok to pull into drm-next. But I'm cc'ing all other
maintainers as fyi and in case they want to pull it into their trees too
to avoid conflicts.

* tag 'topic/crc-pmic-2015-07-23' of git://anongit.freedesktop.org/drm-intel:
  mfd: Add GPIOLIB dependency if INTEL_SOC_PMIC is to be enabled
  drm/i915: Backlight control using CRC PMIC based PWM driver
  drm/i915: Use the CRC gpio for panel enable/disable
  pwm: crc: Add Crystalcove (CRC) PWM driver
  mfd: intel_soc_pmic_core: ADD PWM lookup table for CRC PMIC based PWM
  mfd: intel_soc_pmic_crc: Add PWM cell device for Crystalcove PMIC
  mfd: intel_soc_pmic_core: Add lookup table for Panel Control as GPIO signal
  gpiolib: Add support for removing registered consumer lookup table