bundle_firmware: remove cbfs-files node support

Medium term, fmap.dts is on the way out, so drop this feature before
people start using it.

BUG=chromium:595715
BRANCH=none
TEST=none

Change-Id: Ib61cd4fcf0c354a1c531bb00e32d7a6d7121ed3d
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://chromium-review.googlesource.com/333711
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
1 file changed