boards: add common configuration for CDC ACM UART #81308

kartben merged 3 commits intozephyrproject-rtos:mainzephyrproject-rtos/zephyr:mainfrom

jfischer-no:pr-boards-common-cdc_acm_serial-onlyjfischer-no/zephyr:pr-boards-common-cdc_acm_serial-onlyCopy head branch name to clipboard