They do have "Family" restrooms in the stadium
Here's some info on Louges in the Club level. This is for the Alamo Bowl, but I imagine the areas will be available for the game.
Hall of Fame Lounge, Behind Section 244 – Come enjoy this sport themed hospitality lounge with a full bar and big screen T.V.’s. Our feature pour for the evening will be rum inspired creations courtesy of Sailor Jerry’s.
Bud Light Club Lounge @ Section 219 – Nothing goes together better than football & beer. This lounge is a popular hangout where you can find a variety of Budweiser products.
Tower View Court Section 238, Sunset View Grill Section 230, Southern Pacific Grill Section 208, East Side Grill 215 – You are sure to find food and beverage concessions that cater to whatever you are in the mood for in these locations.