Chris Willman Music WriterKCRW is turning hosting duties for the influential “Morning Becomes Eclectic” to a two-fer for the first time, appointing two DJs who already had shifts on the Southern California station, Novena Carmel and Anthony Valdez, to become co-hosts in the three-hour morning music slot.The public radio station, based at Santa Monica College, will not be accused of making hasty moves about the highly coveted spot — or, as it surprisingly turns out, spots — as the move caps a