project-lakitu: kernel: Enable DWARFv4

The new ChromeOS toolchain expects newer formats of debug symbols. This
change enables out-of-tree kernel modules to successfully compile.

BUG=b/193436754
TEST=presubmit
RELEASE_NOTE=None

Change-Id: Ic5218705851b799347450d94e4cfcae0d8fc97ed
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/19353
Reviewed-by: Roy Yang <royyang@google.com>
Reviewed-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
3 files changed