Update config.json

Update the tiny config accordingly / https://github.com/huggingface/transformers/pull/25056

config.json

@@ -45,4 +45,6 @@
   "vision_model_params": "{}",
   "vocab_size": 32000,
   "word_embed_proj_dim": 16
+  "vision_intermediate_size": 37,
+  "vision_patch_size": 2,
 }