[CI] Enable the skipped cases when HDK is upgraded to 25.5.0 (#6195)

### What this PR does / why we need it?
Enable the tests that were skipped due to an outdated driver version:
- tests/e2e/multicard/4-cards/long_sequence/test_accuracy.py
- tests/e2e/multicard/4-cards/long_sequence/test_basic.py
- tests/e2e/multicard/4-cards/long_sequence/test_chunked_prefill.py

and some cases in
- tests/e2e/multicard/2-cards/spec_decode/test_spec_decode.py
- tests/e2e/multicard/2-cards/test_external_launcher.py
- tests/e2e/multicard/2-cards/test_offline_weight_load.py
- tests/e2e/multicard/2-cards/test_quantization.py
- tests/e2e/multicard/4-cards/test_data_parallel_tp2.py

TODO:
- tests/e2e/multicard/4-cards/spec_decode/test_mtp_qwen3_next.py
- tests/e2e/multicard/4-cards/long_sequence/test_mtp.py
### Does this PR introduce _any_ user-facing change?

### How was this patch tested?

- vLLM version: v0.14.0
- vLLM main:
d68209402d

Signed-off-by: wjunLu <wjunlu217@gmail.com>

tests/e2e/multicard/2-cards/spec_decode/test_spec_decode.py

@@ -48,7 +48,6 @@ BASELINES_SP = {
 }
 
 
-@pytest.mark.skip(reason="Failed with CANN8.5, fix me")
 @patch.dict(os.environ, {"VLLM_ASCEND_ENABLE_FLASHCOMM1": "1"})
 @pytest.mark.parametrize("method", ["eagle3"])
 @pytest.mark.parametrize("num_speculative_tokens", [3])