MMC highlights for 3.6:

Core:
 - Rename cd-gpio to slot-gpio and extend it to support more
   slot GPIO functions, such as write-protect.
 - Add a function to get regulators (Vdd and Vccq) for a host.

Drivers:
 - sdhci-pxav2, sdhci-pxav3: Add device tree support.
 - sdhi: Add device tree support.
 - sh_mmcif: Add support for regulators, device tree, slot-gpio.
 - tmio: Add regulator support, use slot-gpio.