Update arch check for SD

[minitu]

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[thomasdhc]

LGTM

[thomasdhc]

@minitu There's one CI test failing. Does not look relevant to the change introduced here?

[minitu]

The CI failure doesn't seem relevant to this PR:

Error executing job with overrides: ['model.restore_from_path=/home/TestData/nlp/megatron_llama/llama_ci.nemo', 'quantization.calib_dataset=/home/TestData/nlp/test_quantization/test.json', 'quantization.algorithm=int8_sq', 'quantization.num_calib_size=8', 'inference.batch_size=2', 'export.save_path=/home/TestData/nlp/megatron_llama/ci_int8_sq.qnemo']
Traceback (most recent call last):
  File "/workspace/Megatron-LM/megatron/core/dist_checkpointing/strategies/common.py", line 85, in load_sharded_object
    loaded_obj = torch.load(load_path)
  File "/usr/local/lib/python3.10/dist-packages/torch/serialization.py", line 997, in load
    with _open_file_like(f, 'rb') as opened_file:
  File "/usr/local/lib/python3.10/dist-packages/torch/serialization.py", line 444, in _open_file_like
    return _open_file(name_or_buffer, mode)
  File "/usr/local/lib/python3.10/dist-packages/torch/serialization.py", line 425, in __init__
    super().__init__(open(name, mode))
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/tmp4ev5r7lk/model_weights/model.decoder.layers.self_attention.linear_proj._extra_state/shard_0_2.pt'