Extend eos_token_id

Extend `eos_token_id` with pad token because that's the token stored in `processor.tokenizer.eos_token_id`. That also simplifies the sample from the model card from
```py
generate_ids = model.generate(**inputs, eos_token_id=processor.tokenizer.eos_token_id, **generation_args)
```
to
```py
generate_ids = model.generate(**inputs, **generation_args)
```

config.json

@@ -16,7 +16,10 @@
     "use_hd_transform": true,
     "with_learnable_separator": true
   },
-  "eos_token_id": 2,
+  "eos_token_id": [
+    2,
+    32000,
+  ],
   "hidden_act": "silu",
   "hidden_size": 3072,
   "img_processor": {