Intel signed a licensing agreement with Plessey Semiconductors today, giving it access to the UK chipmaker's array of sensors. Founded in 1957, Plessey produces cell phone radios, motion sensors and a host of other chips. The company also licensed its wireless LAN chipset to Apple back in 1994 and, in 1992, became the first licensee of ARM's architecture. Under the deal, Intel will receive the option to buy a fi