+# Conditionally create fdt information
+if [ -n "${DTB}" ]; then
+ FDT="
+ fdt@1 {
+ description = \"${ARCH_UPPER} OpenWrt ${DEVICE} device tree blob\";
+ data = /incbin/(\"${DTB}\");
+ type = \"flat_dt\";
+ arch = \"${ARCH}\";
+ compression = \"none\";
+ hash@1 {
+ algo = \"crc32\";
+ };
+ hash@2 {
+ algo = \"sha1\";
+ };
+ };
+"
+fi
+