AMD has hired away another executive from Apple, CNET is reporting. Raja Koduri, Apple's former director of graphics architecture, has been rehired by AMD as Corporate Vice President of Visual Computing after four years with Apple. Koduri joined Apple from AMD in April 2009 as part of the electronics giant's push to build up its own chip operations. Instead of relying on partners like Intel to design processors for smartphones and tablets, Apple started creating its own chips for mobile devices.Anecdotal reports have suggested that Apple employees have been sending out resumes m