[Misc]: Typo fix: Renaming classes (casualLM -> causalLM) (#9801)

Signed-off-by: Yannick Schnider <Yannick.Schnider1@ibm.com>

vllm/model_executor/model_loader/neuron.py

@@ -37,7 +37,7 @@ _NEURON_SUPPORTED_MODELS: Dict[str, Tuple[str, str, str]] = {
 }
 
 
-class NeuronCasualLM(nn.Module):
+class NeuronCausalLM(nn.Module):
 
     def __init__(self,
                  config: PretrainedConfig,
@@ -184,7 +184,7 @@ def get_neuron_model(model_config: ModelConfig,
                      scheduler_config: SchedulerConfig) -> nn.Module:
 
     # Create a model instance.
-    model = NeuronCasualLM(
+    model = NeuronCausalLM(
         model_config.hf_config,
         _is_neuron_on_device_sampling_disabled(model_config))
 

vllm/model_executor/model_loader/openvino.py

@@ -95,7 +95,7 @@ def _require_model_export(model_id, revision=None, subfolder=None):
         return True
 
 
-class OpenVINOCasualLM(nn.Module):
+class OpenVINOCausalLM(nn.Module):
 
     def __init__(
         self,
@@ -199,5 +199,5 @@ def get_model(
             "be added in the future. If this is important to you, "
             "please open an issue on github.")
 
-    return OpenVINOCasualLM(ov_core, model_config, device_config,
+    return OpenVINOCausalLM(ov_core, model_config, device_config,
                             kv_cache_dtype)