avl_tool: Use correct namespacing in unit-tests

BUG=b:139843442
BRANCH=None
TEST=cargo test

Change-Id: I119b5085aa681a56016ca791a6f7a3026addb0c9
Signed-off-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/flashrom/+/1768314
Reviewed-by: Sam McNally <sammc@chromium.org>
2 files changed