New Betaflitht design config.h
Add it to the betaflight-master\src\config\configs directory make GEEHY405 compile betaflight_4.6.0_APM32F405_GEEHY405.hex
Betaflight flight control board developed and designed using APM32F405 Betaflight added Geehy APM32F4xx SDK, the functions have been tested, very perfect operation The created branch address ：[https://github.com/omni-workshop/betaflight]
