Nokia’s Here mapping division is something of a crown jewel, and one which, despite talk of a bidding war for the unit, is in danger of being sold off too cheaply. Of course, the location platform sits uneasily in a network infrastructure-driven business, but it is still tempting to think that, when Nokia is allowed to re-enter the devices space next year, it might do so with more than just licensing deals for the venerable brand plus some basic reference designs. Nokia could license something that would really disrupt the device game, by incorporating some of the diamonds of its still-powerful R&D engine, while avoiding the pitfalls of manufacturing execution by relying on partners like Foxconn. In this more ambitious…