Certificate expiration - Permit peer CLI to use expired certificates

If your admin certificate expires, and you are not using NodeOU support, then you must submit a config update transaction using the old admin certificate to add the new admin certificate to your MSP definition on the channel. 

There is a setting on the orderer that stops the orderer from rejecting expired admin certificates, but the peer CLI rejects the use of expired admin certificates to submit the transaction. Some of the SDKs, for example the Node.js SDK, do not perform expiry checking and can be used to submit the transaction - however the SDKs cannot be used everywhere, unlike the CLI.

Can we get a flag/environment variable/etc on the peer CLI so it does not perform the expiry checks when submitting transactions?