Merge tag 'drm-atmel-hlcdc-fixes/for-4.7-rc5' of github.com:bbrezillon/linux-at91 into drm-fixes

Two bug fixes for the atmel-hlcdc driver.

* tag 'drm-atmel-hlcdc-fixes/for-4.7-rc5' of github.com:bbrezillon/linux-at91:
  drm: atmel-hlcdc: Fix OF graph parsing
  drm: atmel-hlcdc: actually disable scaling when no scaling is required