The semiconductor industry was once the engine of hi-tech innovation and Silicon Valley buzzed with start-ups and new ideas. But that era may have ended. Silicon Valley is less and less about silicon; the costs of developing new chips are huge and scare off most venture capitalists; the established companies are in a cycle of consolidation; even Moore’s Law may be close to running its course. Yet in the mobile world, the need for new ideas and fierce competition is as urgent as ever – just as the networks have to evolve to support a wide range of behaviors from hyperscale cloud services to the IoT, so the underlying processors, modems and sensors need to do so too. ARM’s CTO,…