mbed library sources. Supersedes mbed-src.

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

targets/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L072CZ_LRWAN1/PinNames.h@9c2029bfadbe: not found in manifest