bootblocks: use run_romstage()

Instead of sprinkling the cbfs calls around (as well as getting
return values incorrect) use the common run_romstage() to perform
the necessary work to load and run romstage.

Change-Id: Id59f47febf5122cb3ee60f9741cfb58cb60ccab5
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8711
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
6 files changed