taeko: Remove CONFIG_BRIGNUP
taeko: Remove CONFIG_BRIGNUP

BUG=b:197585292
BRANCH=None
TEST=make -j BOARD=taeko

Signed-off-by: reno.wang <62d9de2ebc2631c126311edc426119162a2ab272@lcfc.corp-partner.google.com>
Change-Id: I63f8560f39581605c5c2d7d1600a28529ab8bcba
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3144416
Reviewed-by: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>
Commit-Queue: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>

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