mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/hal/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F767ZI/PeripheralNames.h/shortlog@ef7eb2e8f9f7: not found in manifest