zephyr: select USE_DT_CODE_PARTITION after kconfig option change
zephyr: select USE_DT_CODE_PARTITION after kconfig option change

Zephyr commit [1] has changed kconfig option name. Update kconfig
selection to the new one.

[1] 90b9eb3a9e93 ("kconfig: Rename USE_CODE_PARTITION to
  USE_DT_CODE_PARTITION")

Signed-off-by: Marcin Niestroj <63506c06cfbc47ace147db1702f6e751f5ac2132@grinn-global.com>

utzig/mcuboot,runtimeco/mcuboot,ATmobica/mcuboot,utzig/mcuboot,tamban01/mcuboot,tamban01/mcuboot,runtimeco/mcuboot,tamban01/mcuboot,utzig/mcuboot,utzig/mcuboot,ATmobica/mcuboot,ATmobica/mcuboot,runtimeco/mcuboot,tamban01/mcuboot,utzig/mcuboot,runtimeco/mcuboot,tamban01/mcuboot,ATmobica/mcuboot,runtimeco/mcuboot,ATmobica/mcuboot