By Ann Saphir (Reuters) – Federal Reserve Governor Christopher Waller on Saturday became the latest U.S. central banker to pledge a whatever-it-takes approach to fighting inflation, three days after the Fed raised interest rates by three-quarters of a percentage point and signaled more hikes to come. “If the data comes in as I expect, I will support a similar-sized move at our July meeting,” Waller said in remarks prepared for delivery to a Society for Computational Economics conference in Dallas. “The Fed is ‘all in’ on re-establishing price stability.” Waller was one of the Fed’s earliest ad…