[POC] console: dynamically get bootloaders

[dexter93]

Description

We already define supported bootloaders in QMK_HOME. That list is subject to frequent changes with every new chip. Look up there instead of redefining a list here

[dexter93]

Resulting KNOWN_BOOTLOADERS list

('03eb', '2ff4'): atmel-dfu: at90usb1287
('03eb', '2ffa'): atmel-dfu: at90usb1287
('03eb', '2fef'): atmel-dfu: at90usb1287
('03eb', '2ff9'): atmel-dfu: at90usb1287
('03eb', '2ff3'): atmel-dfu: at90usb1287
('03eb', '2ffb'): atmel-dfu: at90usb1287
('03eb', '2ff0'): atmel-dfu: at90usb1287
('1c11', 'b007'): kiibohd: Unknown Bootloader
('1eaf', '0003'): stm32-dfu: STM32L443
('0483', 'df11'): stm32-dfu: STM32L443
('314b', '0106'): apm32-dfu: Unknown Bootloader
('28e9', '0189'): gd32v-dfu: GD32VF103
('342d', 'dfa0'): wb32-dfu: WB32FQ95
('16c0', '05df'): bootloadhid: atmega32a
('16c0', '05dc'): usbasploader: atmega328
('1782', '0c9f'): usbtinyisp: Unknown Bootloader
('03eb', '6124'): md-boot: Unknown Bootloader
('239a', '000c'): caterina: Unknown Bootloader
('239a', '000e'): caterina: Unknown Bootloader
('1b4f', '9205'): caterina: Unknown Bootloader
('1b4f', '9203'): caterina: Unknown Bootloader
('1ffb', '0101'): caterina: Unknown Bootloader
('2a03', '0037'): caterina: Unknown Bootloader
('2341', '0037'): caterina: Unknown Bootloader
('2341', '0036'): caterina: Unknown Bootloader
('239a', '000d'): caterina: Unknown Bootloader
('2a03', '0036'): caterina: Unknown Bootloader
('1b4f', '9207'): caterina: Unknown Bootloader
('1209', '2302'): caterina: Unknown Bootloader
('16c0', '0478'): hid-bootloader: Unknown Bootloader
('03eb', '2067'): hid-bootloader: Unknown Bootloader

Unknown Bootloader is a result of missing info in MCU2BOOTLOADER. Perhaps those should be updated