Add a recipe to include all signing and encryption tools for U-Boot and
kernel images to the SDK. Move existing trustfence kernel scripts to this
new recipe.
This allows to use these scripts not only from the Yocto build system but
also as standalone tools for image signing and encryption.
https://jira.digi.com/browse/DEL-2688
Signed-off-by: Diaz de Grenu, Jose <Jose.DiazdeGrenu@digi.com>
Diaz de Grenu, Jose