[nrf fromtree] platform: add nrf7120 support#6

travis3630 wants to merge 2 commits intonrfconnect:mainnrfconnect/sdk-psa-arch-tests:mainfrom

travis3630:WZN-5116-nrf7120-support-psa-arch-teststravis3630/sdk-psa-arch-tests:WZN-5116-nrf7120-support-psa-arch-testsCopy head branch name to clipboard