[nrf fromlist] drivers: flash_mspi_nor: Apply a few improvements#3049

anangl wants to merge 5 commits intonrfconnect:mainnrfconnect/sdk-zephyr:mainfrom

anangl:improve_flash_mspi_nor_ncs310preview4anangl/sdk-zephyr:improve_flash_mspi_nor_ncs310preview4Copy head branch name to clipboard