040000 tree 89f87a9ba7e43065e3ff3f1097ec823edbf957c7	Driver
040000 tree 1734a81b22982a3fa63c7f1d4277522b395569e8	Os
040000 tree dee6b2096bd1667a5d674aeafb1d0989cede39e3	Silicon
040000 tree 3a945694f080f64301a43d757c4443de2701b117	SoC