Building-U-Boot-for-RBx.md

@@ -29,6 +29,7 @@ budt() {
     for DT in "$@"; do
         cat "$KERNEL_OUTDIR"/arch/arm/dts/"$DT".dtb >> /tmp/dt.dtb
     done
+    cat "$KERNEL_OUTDIR"/u-boot-nodtb.bin.gz /tmp/dt.dtb > /tmp/kernel-dtb
 
     mkbootimg --base '0x00000000' \
 	--kernel_offset '0x00008000' \