The CBFS_HEADER_ROM_OFFSET went away. Remove remaining
defintions that are not used.
Change-Id: Ibedce988143f0b7167cea1b27de5b33698b5d82b
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10217
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>