STM32: ADC: FIXME: Do not set pins in analog mode without considering package size.
STM32: ADC: Driver for ADC IP used in F3 series

Did a complete rewrite because this IP is very
different from STs old ADC IP
STM32F3: ADC: enable build for stm32f3
[Regenerated Templates]
STM32F3: ADC: added example for the Discovery board