xtensa-build-zephyr.py: cleanup and re-organize to prepare for installing more files - #6437

xtensa-build-zephyr.py: cleanup and re-organize to prepare for installing more files#6437

kv2019i merged 6 commits into

thesofproject:mainthesofproject/sof:mainfrom

marc-hb:zephyr-build-cleanupsmarc-hb/sof:zephyr-build-cleanupsCopy head branch name to clipboard