add `max_position_embeddings` to config

config.json

@@ -10,6 +10,7 @@
   "hidden_size": 4096,
   "initializer_range": 0.1,
   "intermediate_size": 8192,
+  "max_position_embeddings": 32768,
   "layer_norm_epsilon": 1e-05,
   "mixer_rms_eps": 1e-05,
   "model_type": "falcon_mamba",