By Uday Sampath Kumar (Reuters) -Yum Brands Inc beat Wall Street estimates for quarterly comparable sales on Wednesday, as the company’s KFC value deals and $2 Taco Bell burritos pulled in more inflation-weary consumers to its restaurants. Yum’s shares rose 1.6% in morning trading. Menu price hikes at dine-in restaurants to keep up with surging costs have pushed consumers who want to eat out, but not exhaust their wallets, to fast food chains like KFC and Taco Bell where meals are more affordable and promotions more frequent. Yum said new value-deals at KFC, such as the reboot of its $5 Mac & …