100644 blob 52747a18d3f863734e7aff0ec53ad0cd809b21db	BUILD.gn
040000 tree 504fb03e6bd89571bee5d2db31f0244068cc6983	bt-hci-broadcom
040000 tree f771288ce186b7b1bd4c25535eb9ed42fcca4261	bt-hci-mediatek
040000 tree 0b18c2c5253a61b091b3a1ff2dc1b8eda346c3fb	bt-transport-uart
040000 tree 4fe077cbe84870ed7937ad36631b671a57027dbc	bt-transport-usb