1. Prepare grill to medium-high heat.
2. Combine first 7 ingredients, 1/8 teaspoon salt, and 1/4 teaspoon pepper.
3. Sprinkle steak evenly with 1/2 teaspoon salt and remaining 1/4 teaspoon pepper. Place steak on a grill rack coated with cooking spray; grill 6 minutes on each side or until desired degree of doneness. Remove steak from grill; let stand 5 minutes. Cut steak across the grain into thin slices; sprinkle evenly with remaining 1/8 teaspoon salt. Serve with salsa.