These will be reused by my BCT display tool.
Change-Id: I88d595412ec439a96231b81253eb04ed4bfd377d
BUG=chromium-os:10502
TEST=run cbootimage on test config.
Review URL: http://codereview.chromium.org/6469010
cbootimage is a tool used to combine binary .bct, bootloader
and google's component to a spi rom image file.
Change-Id: I25b6fee13d7449fc83ec3802b79cbbbcaae54494