Preheat oven to 350 degrees F (175 degrees C). Spray 8x8-inch casserole dish with cooking oil. Prepare Macaroni & Cheese according to package directions. Stir in cream cheese and Cheddar cheese. Add broccoli. Pour mixture into prepared baking dish. Combine panko and bacon crumbles; sprinkle over the mac & cheese. Bake until topping is golden brown, 20 to 25 minutes.