MFC  r256839, r256948, r256950, r257299, r257414, r258057, r259090

  Add configuration for the Freescale i.MX53 Quick Start Board.

  Add the Raspberry Pi BSC (I2C compliant) controller driver.

  Add Radxa Rock board (by radxa.com) support.

  Digi-CCWMX53: enable ffec and uart, USB.

  Add support for Freescale Vybrid Family VF600

  Move and rename dwc otg driver to more generic one as it appears to work
  for rk3188 SoC based board too.
MFC r260440, r260441, r260447, r260490, r260493

  Add option USB_HOST_ALIGN to configs that contain 'device usb'.

  Update dts files of Cubieboard1,2 to use 1GB memory.

  Add a function to print the contents of the static device mapping table,