COH-72: POST 'buttons' check must be right
COH-72: POST 'buttons' check must be right

Door/window switch can be legit on or off.

We can also not try to do the checks for
non-user-facing boards where the button GPIOs
are redeployed for other purposes.
opentrv/opentrv,opentrv/opentrv,opentrv/opentrv,opentrv/opentrv,opentrv/opentrv