Add SGX_LOG_LEVEL to bigdl_ppml_trusted_python_toolkit. (#6557)
Add SGX_LOG_LEVEL to bigdl_ppml_trusted_python_toolkit. (#6557)

* Add SGX_LOG_LEVEL to bigdl_ppml_trusted_python_toolkit.
intel-analytics/BigDL,yangw1234/BigDL,intel-analytics/BigDL,yangw1234/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,yangw1234/BigDL,yangw1234/BigDL