In Walter Isaacson’s much quoted new biography of Steve Jobs, the former Apple CEO is quoted commenting on the firm’s decision to abandon key supplier Intel for the iPhone. ‘We just didn’t want to teach them everything, which they could go and sell to our competitors,” he reportedly said. “At the high performance level, Intel is the best. They build the fastest, if you don’t care about power and cost.” The statements, however politically motivated, go to the heart of Intel’s challenges in its bid to become a serious mobile player. It knows less about how to design such architectures than some of its would-be customers, as Jobs implies, and therefore does not offer sufficient competitive edge. And it still…