call enable_gpu() on dcu device

paddlex/inference/models/common/static_infer.py

@@ -251,6 +251,8 @@ class StaticInfer:
         elif self.option.device == "mlu":
             config.enable_custom_device("mlu")
         elif self.option.device == "dcu":
+            config.enable_use_gpu(100, self.option.device_id)
+            # XXX: is_compiled_with_rocm() must be True on dcu platform ?
             if paddle.is_compiled_with_rocm():
                 # Delete unsupported passes in dcu
                 config.delete_pass("conv2d_add_act_fuse_pass")