STM32L4 cube update from v1.5.0 to v1.8.0#4351

Merged

sg- merged 2 commits intoARMmbed:masterfrom

jeromecoutant:PULL_REQUEST_CUBE_UPDATE_L4_V1.8.0

May 26, 2017

Commits on May 18, 2017

STM32Cube_FW_L4_V1.8.0
jeromecoutant
committed

Commits on May 19, 2017

STM32L4 replace deprecated macro name
jeromecoutant
committed