cd $UBOOT
make O=b/am335x_boneblack_vboot EXT_DTB=${WORK}/am335x-boneblack-pubkey.dtb
-Here we are overrriding the normal device tree file with our one, which
+Here we are overriding the normal device tree file with our one, which
contains the public key.
Now you have a special U-Boot image with the public key. It can verify can