Repository: huggingface/transformers
Pull request: Gaudi: Add the bf16 support for hpu

# What does this PR do?
Add the bf16 support for hpu, otherwise the following error will occur.


```
[2025-04-17 01:25:52,600] [INFO] [real_accelerator.py:219:get_accelerator] Setting ds_accelerator to hpu (auto detect)                                                                                                                                                              [553/1942]
Traceback (most recent call last):
  File "/workspace/HuggingFace/tests/workloads/fine-tune/run_lora_clm.py", line 901, in <module>
    main()
  File "/workspace/HuggingFace/tests/workloads/fine-tune/run_lora_clm.py", line 414, in main
    model_args, data_args, training_args, finetune_args = parser.parse_json_file(
  File "/workspace/transformers/src/transformers/hf_argparser.py", line 420, in parse_json_file
    outputs = self.parse_dict(data, allow_extra_keys=allow_extra_keys)
  File "/workspace/transformers/src/transformers/hf_argparser.py", line 393, in parse_dict
    obj = dtype(**inputs)
  File "<string>", line 131, in __init__
  File "/workspace/transformers/src/transformers/training_args.py", line 1692, in __post_init__
    raise ValueError(error_message)
ValueError: Your setup doesn't support bf16/gpu.
Traceback (most recent call last):
  File "/workspace/HuggingFace/tests/workloads/fine-tune/run_lora_clm.py", line 901, in <module>
    main()
  File "/workspace/HuggingFace/tests/workloads/fine-tune/run_lora_clm.py", line 414, in main
    model_args, data_args, training_args, finetune_args = parser.parse_json_file(
  File "/workspace/transformers/src/transformers/hf_argparser.py", line 420, in parse_json_file
    outputs = self.parse_dict(data, allow_extra_keys=allow_extra_keys)
  File "/workspace/transformers/src/transformers/hf_argparser.py", line 393, in parse_dict
    obj = dtype(**inputs)
  File "<string>", line 131, in __init__
  File "/workspace/transformers/src/transformers/training_args.py", line 1692, in __post_init__
    raise ValueError(error_message)
ValueError: Your setup doesn't support bf16/gpu.
Traceback (most recent call last):
  File "/workspace/HuggingFace/tests/workloads/fine-tune/run_lora_clm.py", line 901, in <module>
    main()
  File "/workspace/HuggingFace/tests/workloads/fine-tune/run_lora_clm.py", line 414, in main
    model_args, data_args, training_args, finetune_args = parser.parse_json_file(
  File "/workspace/transformers/src/transformers/hf_argparser.py", line 420, in parse_json_file
    outputs = self.parse_dict(data, allow_extra_keys=allow_extra_keys)
  File "/workspace/transformers/src/transformers/hf_argparser.py", line 393, in parse_dict
    obj = dtype(**inputs)
  File "<string>", line 131, in __init__
  File "/workspace/transformers/src/transformers/training_args.py", line 1692, in __post_init__
    raise ValueError(error_message)
ValueError: Your setup doesn't support bf16/gpu.

```
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Fixes # (issue)


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HF projects:

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Changed files:
filename: src/transformers/utils/import_utils.py
patch: @@ -522,6 +522,8 @@ def is_torch_bf16_gpu_available() -> bool:
         return torch.cuda.is_bf16_supported()
     if torch.xpu.is_available():
         return torch.xpu.is_bf16_supported()
+    if is_torch_hpu_available():
+        return True
     return False