Fix mmcls bug not wrapping model in DataParallel on CPUs#2601

goodsong81 merged 3 commits intoopen-edge-platform:releases/1.4.0open-edge-platform/training_extensions:releases/1.4.0from

goodsong81:fix/cls-cpu-traingoodsong81/training_extensions:fix/cls-cpu-trainCopy head branch name to clipboard