seabios: upgraded packages to upstream

Upgraded sys-firmware/seabios to version 1.8.2 for all

BUG=b/27084589
TEST=precq passes
CQ-DEPEND=CL:334371

Change-Id: Id03044f02de8659de0c22d13dd6ffe99e8d31264
Reviewed-on: https://chromium-review.googlesource.com/333951
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Alex Vakulenko <avakulenko@chromium.org>
12 files changed