project-lakitu: Add 6.6 entry to linux-sources

BUG=b/316205830
TEST=presubmit
RELEASE_NOTE=None

Change-Id: I747eee19a4e8366051acfa73b8e76d25ea3e2605
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/69052
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Oleksandr Tymoshenko <ovt@google.com>
2 files changed