[NUCLEO_F030R8] port HAL to support cube and ad cube files as well
Merge pull request #541 from dbestm/master

HAL: NUCLEO_F030R8 - port HAL to support Cube and cube files addition
Added conditional directives to be able to override the default STDIO_UART* macro values at build time (e.g. retarget STDIO to other than UART_2).
Merge branch 'master' of github.com:istarc/mbed