xtensa: add sample_controller32 SoC and qemu_xtensa/sample_controller32/mpu board#71893

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

dcpleung:xtensa/sample_controller32_mpudcpleung/zephyr:xtensa/sample_controller32_mpuCopy head branch name to clipboard