[bugfix] Missing enable_fsdp in 70b config (#132)

ultravox/training/configs/llama_70b.yaml

@@ -8,6 +8,9 @@ exp_name: "ultravox-v0_4-llama3.1-70B-whisper_m"
 text_model: "meta-llama/Meta-Llama-3.1-70B-Instruct"
 audio_model: "openai/whisper-medium"
 
+# We need to shard the model in order to fit on the GPU memory
+enable_fsdp: True
+
 batch_size: 5
 # We increase the number of steps by 2x, but with a lower batch_size, we still won't be training on as many samples as the 8B model
 # We would revisit this later on when