Take the vboot path in romstage. This will complete the haswell support for vboot firmware selection. Built and booted. Noted firmware select worked on an image with RW firmware support. Also checked that recovery mode worked as well by choosing the RO path. Change-Id: Ie2b0a34e6c5c45e6f0d25f77a5fdbaef0324cb09 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2856 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>