chromeos: push vbnv_* accessors from verstage to libverstage

That way they're available wherever the verstage code ends up, bootblock,
verstage or romstage.

Change-Id: I6e59a40761f95a98d96a9b72e3bbcc59caae9b1a
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10706
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed