avl_tool: Fix wp assert when battery is installed

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

Change-Id: I853d686f0a362e381c28b0b667a0b21d97c6359d
Signed-off-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/flashrom/+/1654715
Reviewed-by: Sam McNally <sammc@chromium.org>
1 file changed