Combine first 3 ingredients in a small bowl.
Toss squash and zucchini with 1 Tbsp. oil in a large bowl; sprinkle vegetables with 1 tsp. Creole mixture.
Stir remaining 1 Tbsp. oil into remaining Creole mixture. Rub evenly on pork chops.
Grill vegetables and pork chops over high heat (400° to 500°) 3 minutes on each side or until pork is done.