In small bowl, mix flour, baking soda and salt. In large bowl, beat 1/3 cup butter and the granulated sugar with electric mixer on medium speed until blended. Add eggs, one at a time, beating well after each addition. Add bananas, vanilla and yogurt; beat on low speed. Slowly add flour mixture, beating just until blended. Pour into pan. Sprinkle coffee-crunch topping over batter.