Merge branch 'topic/si476x' into patchwork

* topic/si476x:
  Revert "[media] mfd: Add chip properties handling code for SI476X MFD"
  Revert "[media] mfd: Add the main bulk of core driver for SI476x code"
  Revert "[media] mfd: Add commands abstraction layer for SI476X MFD"
  [media] v4l2: Add a V4L2 driver for SI476X MFD