The answer depends on two points...1) whether NC even finds out about this violation, and 2) whether NC (should they find out) consider this a "criminal violation" and, therefore, a violation of your deferment.
I have no idea whether either NC or MD considers MIP a criminal violation (as opposed to a strictly civil violation). You say that it is civil in MD, so we'll go with that. That being the case, it might not show on a criminal record check in NC. So, if the prosecutor doesn't dig too hard, it might not even come up in your NC court hearing.
If they do find out about it, then it depends on whether they consider it a deferment violation. They may accept it as a civil infraction and, therefore, not a criminal violation. On the other hand, there may be wording in your deferment agreement to the effect of "no criminal violations in this state or offenses committed outside this state that would constitute a criminal violation if committed in this state." If there is, and MIP is a criminal offense in NC, then it would be a violation of your deferment.
Your best bet would be to ask the attorney that represented you in NC on your fake ID charge.

