MFC r257452:  Add support for the USB PHY on imx6 SoCs.
MFC r257453:  Add stubbed-out imx6 support for clocks and power management.
MFC r257454:  Add sdhci driver glue for imx family SoCs.
MFC r257476, r257478:

  Revamp the SoC identity numbering scheme to be more in line with the way
  Freescale numbers the chips in the ID registers.

  Add definitions for the register and data that describes the SoC type.
MFC r257483, r257486, r257489:

  Add the Soc- / machine-dependent parts of imx6 support.
  Add dts source for imx6 SoCs and for Wandboard boards.
  Add kernel config for Wandboard.