stm32-spl: build-time assertion if STM32 device is supported
stm32-spl: build-time assertion if STM32 device is supported

forGGe/theCore,RostakaGmfun/theCore,RostakaGmfun/theCore,forGGe/theCore,RostakaGmfun/theCore,RostakaGmfun/theCore,forGGe/theCore,forGGe/theCore