[XPU] work around for sp, avoid custom op import error (#28822)

Signed-off-by: Kunshang Ji <kunshang.ji@intel.com>

Author: jikunshang

vllm/compilation/pass_manager.py

@@ -18,14 +18,14 @@
     from .fusion import RMSNormQuantFusionPass
     from .fusion_attn import AttnFusionPass
     from .qk_norm_rope_fusion import QKNormRoPEFusionPass
+    from .sequence_parallelism import SequenceParallelismPass
 
 if current_platform.is_cuda():
     from .collective_fusion import AllReduceFusionPass, AsyncTPPass
 
 from .fix_functionalization import FixFunctionalizationPass
 from .inductor_pass import CustomGraphPass, InductorPass, get_pass_context
 from .noop_elimination import NoOpEliminationPass
-from .sequence_parallelism import SequenceParallelismPass
 
 logger = init_logger(__name__)