By Alina Selyukh (Reuters) – ATT Inc on Monday said Spains Telefonica SA will license its home security technology for limited trials in Europe as the U.S. carrier hopes it has found a new way to profit from its nascent connected-home business. Telefonica will offer European customers a version of Digital Life, ATTs home monitoring and automation system, for three to six months before evaluating results of the trial, said Steven Bartholomew, a Telefonica spokesman. …