* fix(drivers/ak09940a): fix probe retry, devtype collision, and register naming
* fix(drivers/neopixel): check init return value and fix module name typo
* fix(boards/3dr/ctrl-n1): correct magnetometer i2c bus, LED indexing, chip variant for bootloader, and TIM3 conflict with srgbled_dma
* fix(boards/3dr/ctrl-n1): update bootloader for STM32H743VI