* Initial cut on cleaning up makefile and libraries.
* F3, F4, F7 support
* Add 'make release' to build targets for release
* Introduce BUILD_SUFFIX options; Comment fix
* Fix USB core
* Fix F7 warnings
* Clean up STM32F1 code
* More cleanups of unused files
Remove duplicate consts.
Pull in the include files where functions and variables are declared.
Mark file local but duplicated variables as static.
Mark some variable declarations as extern.
Remove duplicated variable definition.
Signed-off-by: Michael Hope <mlhx@google.com>
This is an alternative to #ifdef's everywhere which is getting out of
hand.
Confirmed that the VCP is working on the STM32F3Discovery board and
ChebuzzF3 variant.
Konstantin Sharlaimov
Sami Korhonen
Martin Budden
Michael Hope
Dominic Clifton