DODGERS - WHITE SOX TRAIN: At Sarasota; Florida; the American League Champions; the Chicago White Sox; in spring training under the eye of Manager Al Lopez; working out winter kinks and working into that go-go-go spirit. Nearby at Vero Beach; the World Series winners; Los Angeles Dodgers; start intensive work-outs with an eye to keeping the diamond crown. In addition to current stars and familiar faces; a rookie of brilliant promise is with the team; powerful Frank Howard.