Firmware-side code for LoadKernel() is in place now. LoadFirmware() replacement coming soon.
The new functions are implemented in parallel to the existing ones (i.e., everything that used to work still does).
Review URL: http://codereview.chromium.org/2745007
This creates a new vboot_firmware subdirectory, and which contains the
entirety of the BIOS code. There shouldn't be anything in this directory
that is NOT required by the BIOS.
Review URL: http://codereview.chromium.org/2219004