Update fleet_ppocr_det_mobile_params.txt

test_tipc/configs/fleet_ppocr_det_mobile_params.txt

 ===========================train_params===========================
 model_name:ocr_det
 python:python3.7
-gpu_list:10.21.226.181,10.21.226.133;0,1
+gpu_list:xx.xx.xx.xx,xx.xx.xx.xx;0,1
 Global.use_gpu:True|True
 Global.auto_cast:null|amp
 Global.epoch_num:lite_train_lite_infer=1|whole_train_whole_infer=300