Enable text-generation with new API

[changwangss]

Type of Change

    from intel_extension_for_transformers.transformers import (
        MixedPrecisionConfig,
        WeightOnlyQuantConfig,
        SmoothQuantConfig,
        BitsAndBytesConfig

    ) 
    from intel_extension_for_transformers.transformers import AutoModelForCausalLM
    # smooth-quant
    sq_config = SmoothQuantConfig(
                                tokenizer=tokenizer,  # either two of one, tokenizer or calib_func
                               )
    q_model = AutoModelForCausalLM.from_pretrained(model_name_or_path,
                                                   quantization_config=sq_config
                                               )
    
    # weight-only
    woq_config = WeightOnlyQuantConfig()
    woq_model = AutoModelForCausalLM.from_pretrained(model_name_or_path,
                                                quantization_config=woq_config
                                            )
    
    # mp
    mp_config = MixedPrecisionConfig() 
    amp_model = AutoModelForCausalLM.from_pretrained(model_name_or_path,
                                                quantization_config=mp_config
                                            )
  
    # bitsandbytes
    bab_config = BitsAndBytesConfig()
    bab_model = AutoModelForCausalLM.from_pretrained(model_name_or_path,
                                                quantization_config=bab_config
                                            )

Description

detail description
JIRA ticket: https://jira.devtools.intel.com/browse/NLPTOOLKIU-878

Expected Behavior & Potential Risk

the expected behavior that triggered by this PR

How has this PR been tested?

how to reproduce the test (including hardware information)

Dependency Change?

any library dependency introduced or removed

[changwangss]

confilct with #297, need align with @PenghuiCheng

[hshen14]

confilct with #297, need align with @PenghuiCheng

what's the conflict?