[docs] refine the doc for train with a script (#33423)

* add xpu note

* add one more case

* add more

* Update docs/source/en/run_scripts.md

Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>

---------

Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>

docs/source/en/tasks/summarization.md

@@ -205,7 +205,7 @@ At this point, only three steps remain:
 ...     save_total_limit=3,
 ...     num_train_epochs=4,
 ...     predict_with_generate=True,
-...     fp16=True,
+...     fp16=True, #change to bf16=True for XPU
 ...     push_to_hub=True,
 ... )
 

docs/source/en/tasks/translation.md

@@ -212,7 +212,7 @@ At this point, only three steps remain:
 ...     save_total_limit=3,
 ...     num_train_epochs=2,
 ...     predict_with_generate=True,
-...     fp16=True,
+...     fp16=True, #change to bf16=True for XPU
 ...     push_to_hub=True,
 ... )