plat: intel: Add MMC OCR voltage information for initialization
plat: intel: Add MMC OCR voltage information for initialization

MMC stack needs OCR voltage information for the platform to initialize
MMC controller correctly.

Signed-off-by: Tien Hock, Loh <7b3d0e2e87160b0ea6d8dac898160c761c04ea04@intel.com>

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware