- Fixed issues on building stm32f0 port
- Removed stm32f0 and corex-m files from str912f port
- Added template for arm9.h core specific port

Signed-off-by: Olli Vanhoja <olli.vanhoja@ninjaware.fi>
Update TODO.md
Update TODO.md
Updated TODO.md

Signed-off-by: Olli Vanhoja <olli.vanhoja@ninjaware.fi>
Added reference peripheral driver libraries provided by ST and configuration file for peripherals.

Signed-off-by: Olli Vanhoja <olli.vanhoja@ninjaware.fi>