Seems Qualcomm wasn't kidding when it said selling off MediaFLO's spectrum was a possibility now that it's cutting off direct-to-consumer mobile TV services. BusinessWeek is reporting that the company has sat down recently with "several carriers" -- though only AT&T is being called out by name -- presumably with the goal of fleshing out just how much dinero it could land for offing the spectrum MediaFLO uses to deliver programming. Qualcomm paid close to $700 million for the spectrum over the course of the last decade, and it lies in the 700MHz block -- a block bot