Coachz: generate locked image
Coachz: generate locked image

Remove bringup configs to generate locked image for production.

BRANCH=trogdor
BUG=b:183687793
TEST=build

Signed-off-by: hanwenchao <c668a7aa4ac9f99aa1bc742a5c705375e8f8a2b8@huaqin.corp-partner.google.com>
Change-Id: I369d4d8e6d55e34e43dd4218aaed9a25ef845e49
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2859349
Tested-by: Philip Chen <3ee404f9ef892bc3fda6e6a76e65843b5fa44db2@chromium.org>
Reviewed-by: Bob Moragues <f5049d5b5df4f96d121308a63d9e3c0dfa5ed2dc@chromium.org>
Reviewed-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>
Reviewed-by: Wai-Hong Tam <04b587fdf5845741a0c5a8b9cd59ca72d73ef8fc@google.com>
Commit-Queue: Philip Chen <3ee404f9ef892bc3fda6e6a76e65843b5fa44db2@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec