[nrf-fromlist] dts: update memory map and remove ext-uicr#2071

hakonfam merged 1 commit intonrfconnect:sdsc-bundle-2.8.0-rc1nrfconnect/sdk-zephyr:sdsc-bundle-2.8.0-rc1from

hakonfam:new-mem-map-dshakonfam/fw-nrfconnect-zephyr:new-mem-map-dsCopy head branch name to clipboard