mainboard/google/kahlee: Add baseboard framework

BUG=b:68293392
TEST=Build only

Change-Id: Ie4d039b4da10a992fc9dd2b0221fd4a1644aae6a
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/22373
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
4 files changed