publish butterfly firmware

This is a snapshot from:
	https://chrome-internal.googlesource.com/chromeos/third_party/coreboot
at git sha1:
	ff1f4757e4bd35a6b72018d0982b5e2bec89a1bb

All files in the 3rdparty/ subdir have been stripped.

BUG=None
TEST=compiled internal repo & public repo and compared disassembled files

Change-Id: I3e78b91813138eb48db8f93e81a18eff59da08c3
Reviewed-on: https://chromium-review.googlesource.com/195360
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
695 files changed