1. ​Go into Academics > Scheduling > Requests and Schedules > Advisories
  2. Choose Advisory from drop-down on right side. 
  3. Click Advisories
  4. Edit to right of Advisory
  5. Mark the box for Display in Header
  6. Click Save & Exit

Now when you go into > Academics > Grades > Report Card setup > Generate Report Cards, if you select a Grade with an Advisory, you can choose to generate the Report Cards by the name of the Advisor.