* Add support for STM32F407x MCUs. * Removing STMF407 MCU variation * Update quantum/mcu_selection.mk Remove options for dfu flashing Co-authored-by: Ryan <[email protected]> * DISABLE STM32_USB_USE_OTG1 * Update platforms/chibios/GENERIC_STM32_F407XE/configs/mcuconf.h Co-authored-by: Drashna Jaelre <[email protected]> * Update platforms/chibios/GENERIC_STM32_F407XE/configs/mcuconf.h Co-authored-by: thomas.pollak <[email protected]> Co-authored-by: Ryan <[email protected]> Co-authored-by: Drashna Jaelre <[email protected]> Co-authored-by: Nick Brassel <[email protected]>