[MM][Bugfix] Update hf_config to hf_text_config (#5319)

### What this PR does / why we need it?

Following https://github.com/vllm-project/vllm-ascend/pull/5205, update
`hf_config` to `hf_text_config`.

Find more details at
https://github.com/vllm-project/vllm-ascend/pull/5205#issuecomment-3675417534
and
https://github.com/vllm-project/vllm-ascend/pull/5205#issuecomment-3677920872.

### Does this PR introduce _any_ user-facing change?

### How was this patch tested?

- vLLM version: release/v0.13.0
- vLLM main:
5fbfa8d9ef

Signed-off-by: shen-shanshan <467638484@qq.com>

vllm_ascend/ascend_forward_context.py

@@ -224,8 +224,8 @@ def select_moe_comm_method(num_tokens: int,
     mc2_tokens_capacity = get_mc2_tokens_capacity()
     soc_version = get_ascend_device_type()
     quant_type = getattr(
-        vllm_config.model_config.hf_config, 'moe_quantize',
-        getattr(vllm_config.model_config.hf_config, 'quantize', None))
+        vllm_config.model_config.hf_text_config, 'moe_quantize',
+        getattr(vllm_config.model_config.hf_text_config, 'quantize', None))
 
     if not vllm_config.parallel_config.enable_expert_parallel or get_ep_group(
     ).world_size == 1: