Intel is showing off the technology choices that it hopes will make the next generation of mobile devices the heirs of the PC architecture, not the cellphone – notably its latest ultra-mobile PC platform and its WiMAX Centrino roadmap. Creating the mobile future around PC roots is an ambition that is central to the chip giant’s growth strategy, since if ubiquitous wireless is mainly driven by devices based on PC-style designs, this will be a natural market for Intel chips to dominate. But with powerful interests determined to keep Intel out of dominating future wireless, is the chip giant relying to heavily on its old allies in the PC industry, or does it badly need to get new friends, particularly…