This is the week that the original Droid will be getting the Android 2.2 update, but it looks like that update won't be bringing two of the most oft-requested features: tethering and a mobile hotspot. Why's that? While tethering seems to be simply due to a lack of an app that "isn't part of this update," the mobile hotspot issue is a bit more curious -- Motorola spokesperson Brenda Raney says that the Droid "doesn't have [the] hardware to support a mobile hotspot." No further explanation than that, but we have a sneaking suspicion that Motorola isn't passing over the feature because of a lack of hardware, but