By Andrew Hay TAOS, N.M. (Reuters) -Wind-driven wildfires in northern New Mexico burned multiple homes and forced hundreds to flee mountain villages as blazes raged in the parched U.S. Southwest at a time when the fire season is just beginning. Two wildfires merged northwest of Las Vegas, New Mexico, on Friday and raced through 15 miles of forest driven by winds of over 75 mph (121 kph). Air tankers and ground crews were able to fight the blaze on Saturday after a yet-untold number of houses burned south of the village of Mora. To the northeast, a fire about 35 miles west of Taos doubled in si…