The EC builds for nyan_big, peach_pit, and smaug (ryu) have been removed
from the latest EC codebase, so don't try to build them by default
anymore.
Change-Id: I53901b32753c5b9b050f517bbf3f10b9071913d4
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/23826
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>