fix: take into account STM32G0B0 USART IRQ multiplexing specificities#1790

fpistm merged 2 commits intostm32duino:mainstm32duino/Arduino_Core_STM32:mainfrom

ABOSTM:G0B0_UART_IRQ_MULTIPLEXINGABOSTM/Arduino_Core_STM32:G0B0_UART_IRQ_MULTIPLEXINGCopy head branch name to clipboard