Update train_linux_gpu_fleet_amp_infer_python_linux_gpu_cpu.txt

test_tipc/config/ResNet50_vd/train_linux_gpu_fleet_amp_infer_python_linux_gpu_cpu.txt

 ===========================train_params===========================
 model_name:ResNet50_vd
 python:python3.7
-gpu_list:10.21.226.181,10.21.226.133;0,1
+gpu_list:xx.xx.xx.xx,yy.yy.yy.yy;0,1
 -o Global.device:gpu
 -o Global.auto_cast:null|amp
 -o Global.epochs:lite_train_infer=2|whole_train_infer=120