[BugFix]Fix precision issue for LoRA feature (#4141)

vLLM version: v0.11.0
vLLM main: vllm-project/vllm

### What this PR does / why we need it?
   Fix the precision issue of the LoRA feature in vllm-ascend.

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

### How was this patch tested?
```bash
pytest tests/lora/test_llama_tp.py::test_llama_lora -s
```
<img width="1319" height="879" alt="lora_test"
src="https://github.com/user-attachments/assets/2a0b2325-5b05-4bbc-ac03-a7c9f0ad9d4c"
/>


- vLLM version: v0.12.0
- vLLM main:
ad32e3e19c

---------

Signed-off-by: hukongyi <hukongyi@cmbchina.com>

CMakeLists.txt

@@ -62,6 +62,10 @@ set(VLLM_ASCEND_CUSTOM_OP
 )
 
 set(VLLM_ASCEND_CUSTOM_OP_EXCLUDE
+    ${KERNEL_FILES}/bgmv_expand.cpp
+    ${KERNEL_FILES}/bgmv_shrink.cpp
+    ${KERNEL_FILES}/sgmv_expand.cpp
+    ${KERNEL_FILES}/sgmv_shrink.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/csrc/batch_matmul_transpose/op_kernel/batch_matmul_transpose_kernel.cpp
 )