contrib: Add kernel_decode_stack.

BUG=b:160746866
TEST=Test board kukui/asurada/atlas with some stack trace.

Change-Id: Id5eed71accc8ab4e992e561b20d6555b55b59a01
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2289179
Reviewed-by: Douglas Anderson <[email protected]>
Commit-Queue: Pi-Hsun Shih <[email protected]>
Tested-by: Pi-Hsun Shih <[email protected]>
1 file changed