add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

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# md5 from https://pypi.python.org/pypi/py-ubjson/json, sha256 locally computed
md5 c78bbe899eeba9604302ad746094e8d1  py-ubjson-0.9.0.tar.gz
sha256 b405daaa82acdf5989207e1e5ff6865ef7d23bf450513a6d90a1ab64c75bdcf8  py-ubjson-0.9.0.tar.gz