100644 blob 52747a18d3f863734e7aff0ec53ad0cd809b21db	BUILD.gn
040000 tree 6744a45dc27aa1a9467eff38c7fb4214d125dbcd	bt-hci-broadcom
040000 tree 35a4948da85d38ccfd458f2492726b7e9732a064	bt-hci-mediatek
040000 tree f95720121babdf485274f47bb148e1d4388053bb	bt-transport-uart
040000 tree c88154bb6fff060528c15dac75b46adfb7b2c064	bt-transport-usb