if [ "$PAYLOAD" != "/dev/null" ]; then
echo "# CONFIG_PAYLOAD_NONE is not set" >> ${build_dir}/config.build
echo "CONFIG_PAYLOAD_ELF=y" >> ${build_dir}/config.build
if [ "$PAYLOAD" != "/dev/null" ]; then
echo "# CONFIG_PAYLOAD_NONE is not set" >> ${build_dir}/config.build
echo "CONFIG_PAYLOAD_ELF=y" >> ${build_dir}/config.build