Schaumburg-based Motorola Solutions Inc. continues to chip away at its legendary status by selling its Enterprise unit to Lincolnshire’s Zebra Technologies for about $3.45 billion. So far, Motorola Solutions plans to keep CEO Greg Brown and its headquarters in Schaumburg. But Zebra is on track to move much of its operations into a new headquarters in Lincolnshire, and expects to need even more space with the new acquisition.