shell: openthread/shell/boards folder creation to support MCXW7x#97532

xavraz wants to merge 2 commits intozephyrproject-rtos:mainzephyrproject-rtos/zephyr:mainfrom

nxp-upstream:feature/mcxw7x_shellnxp-upstream/zephyr:feature/mcxw7x_shellCopy head branch name to clipboard