design change

Signed-off-by: Tolga HOŞGÖR <fasdfasdas@gmail.com>
structural changes

Signed-off-by: Tolga HOŞGÖR <fasdfasdas@gmail.com>
removed unused class RCC::GPIO

Signed-off-by: Tolga HOŞGÖR <fasdfasdas@gmail.com>
SYSCFG::EXTIModule bug fix

Signed-off-by: Tolga HOŞGÖR <fasdfasdas@gmail.com>
updated example

Signed-off-by: Tolga HOŞGÖR <fasdfasdas@gmail.com>
structural changes

Signed-off-by: Tolga HOŞGÖR <fasdfasdas@gmail.com>