Fix wheel build CI jobs

ghstack-source-id: f077c82
Pull Request resolved: pytorch#7367

Co-authored-by: Stephen Jia <[email protected]>

Author: pytorchbot

build/packaging/smoke_test.py

@@ -17,7 +17,7 @@
 
 # Import custom ops. This requires portable_lib to be loaded first.
 from executorch.extension.llm.custom_ops import (  # noqa: F401, F403
-    sdpa_with_kv_cache,
+    custom_ops,
 )  # usort: skip
 
 # Import quantized ops. This requires portable_lib to be loaded first.