kernel 3.8: Explicitly build kernel with -gdwarf-4.

Build the 3.8 kernel explicitly with DWARF v4 (in preparation for
the DWARF v5 migration).

BUG=chromium:1129287
TEST=None

Signed-off-by: cmtice@google.com
Change-Id: Id4d2f33c7063f30048caf6c96beb3d2ef7f27cf5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2421059
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Commit-Queue: Caroline Tice <cmtice@chromium.org>
Tested-by: Caroline Tice <cmtice@chromium.org>
Auto-Submit: Caroline Tice <cmtice@chromium.org>
1 file changed