This code adds support for coreboot images that use ROMFS.

This code adds support for coreboot images that use ROMFS.

It also removes the call to FILO from hardwaremain -- that
has needed removal for a long time.

abuild tested.
Note that this code has been tested and works on
both qemu and kontron. The changes to use it are coming
next.

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4039 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1