STM32F1 MBED6 supported targets
STM32F1 MBED6 supported targets

DISCO_F100RB  => removed
NUCLEO_F103RB => MCU_STM32_BAREMETAL

mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed