System Workbench for STM32

Thanks for hint.

I can confirm the solution. Works for STM32Cube_FW_F4_V1.7.0 and STM32Cube_FW_F4_V1.8.0

On my project it was not necessary to add the library to the Linker section. The link was already there and the only thing to do it was to move the syscall.c