### What this PR does / why we need it?
310p aclgraph mode, but has some problems:
- the event-id hardware limit, the num of graph will be limited.
- the cann version support this feature cannot be get from external of
huawei.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
local test
- vLLM version: v0.15.0
- vLLM main:
83b47f67b1
Signed-off-by: Tflowers-0129 <2906339855@qq.com>
ddc78dbade