/arm/stm32/[a-m]*,CONFIG_ARM_TOOLCHAIN_GNU_EABI
/arm/stm32/nucleo-f1*,CONFIG_ARM_TOOLCHAIN_CLANG
/arm/stm32/nucleo-f2*,CONFIG_ARM_TOOLCHAIN_CLANG
/arm/stm32/nucleo-f30*,CONFIG_ARM_TOOLCHAIN_GNU_EABI