[XPU]MAX_BSZ aligns gpu settings and disable prefix cache in OCR VL (#5831)

fastdeploy/engine/args_utils.py

@@ -564,6 +564,9 @@ class EngineArgs:
 
         if "PaddleOCR" in get_model_architecture(self.model, self.model_config_name):
             envs.FD_ENABLE_MAX_PREFILL = 1
+            # TODO XPU support PaddleOCR prefix caching
+            if current_platform.is_xpu():
+                self.enable_prefix_caching = False
 
         if self.kvcache_storage_backend is not None:
             if not self.enable_prefix_caching: