coreboot: Update to main branch

Update coreboot and the blobs directories to the main branch.
To avoid confusion.

BUG=b:294218930
TEST=CQ

Change-Id: I4dec10c6fd18dc557d65749c12d1891cf15bc6f7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/5042214
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: Jonathon Murphy <jpmurphy@google.com>
Commit-Queue: Jonathon Murphy <jpmurphy@google.com>
Auto-Submit: Jonathon Murphy <jpmurphy@google.com>
Reviewed-by: Mark Hasemeyer <markhas@google.com>
2 files changed