Fix token_type_ids error for big_bird model. (#11355)
* MOD: fit chinese wwm to new datasets
* MOD: move wwm to new folder
* MOD: formate code
* Styling
* MOD add param and recover trainer
* MOD: add token_type_ids method for big bird
* MOD: format code
* MOD: format code
Co-authored-by: Sylvain Gugger <sylvain.gugger@gmail.com>
