avl_tool: Fix erase_write test

BUG=b:117099583,b:76032857
BRANCH=none
TEST=none

Change-Id: Idde7a4d95b8ef330841b5d5f8ae15a2479f28f6e
Signed-off-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/flashrom/+/1654714
Reviewed-by: Sam McNally <sammc@chromium.org>
1 file changed