### What this PR does / why we need it?
Update openEuler dockerfile for COMPILE_CUSTOM_KERNELS=1
### Does this PR introduce _any_ user-facing change?
No
Signed-off-by: Icey <1790571317@qq.com>
### What this PR does / why we need it?
The torch-npu 2.5.1 are published:
https://pypi.org/project/torch-npu/2.5.1/
It's time to remove all torch-npu dev version from vllm-ascend code base
### Does this PR introduce _any_ user-facing change?
Yes, using torch-npu 2.5.1
### How was this patch tested?
- [ ] CI passed
- [ ] Manually test
- [ ] Grep all `dev2025`
---------
Signed-off-by: Yikun Jiang <yikunkero@gmail.com>
### What this PR does / why we need it?
This PR enable custom ops build by default.
### Does this PR introduce _any_ user-facing change?
Yes, users now install vllm-ascend from source will trigger custom ops
build step.
### How was this patch tested?
By image build and e2e CI
---------
Signed-off-by: wangxiyuan <wangxiyuan1007@gmail.com>
### What this PR does / why we need it?
Provide users with openEuler-based vllm images, so modify the quick
start readme
### Does this PR introduce _any_ user-facing change?
None
### How was this patch tested?
There is no need for performing any test.
---------
Signed-off-by: Icey <1790571317@qq.com>
