kernel 4.19-manatee: Explicitly build kernel with -gdwarf-4.

Build the 4.19-manatee kernel explicitly with DWARF v4 (in preparation for
the DWARF v5 migration).

BUG=chromium:1129287
TEST=None

Signed-off-by: Caroline Tice <cmtice@google.com>
Change-Id: Ia9ae352180ddaa01815ac0feed910af8de13136b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2421065
Tested-by: Caroline Tice <cmtice@chromium.org>
Auto-Submit: Caroline Tice <cmtice@chromium.org>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Caroline Tice <cmtice@chromium.org>
1 file changed