Waffle House chief executive Walt Ehmer, who worked at the restaurant chain for more than three decades and quickly rose to the company’s senior leadership, has died, according to officials in Atlanta. He was 58. Atlanta Mayor Andre Dickens and the Atlanta Police Foundation both confirmed Ehmer’s death on Sunday morning, though neither mentioned a cause of death. Waffle House did not immediately respond to a request for comment. “I am saddened to learn of the passing of Walt Ehmer,” Dickens said in a brief statement. “His leadership, dedication and warmth touched the lives of many, both within…