kernel-fitimage: expand FDT-to-TEE mapping, simplify code
kernel-fitimage: expand FDT-to-TEE mapping, simplify code

Signed-off-by: Denys Dmytriyenko <d29de71aea38aad3a87d486929cb0aad173ae612@ti.com>

rcn-ee/meta-arago,rcn-ee/meta-arago,rcn-ee/meta-arago,rcn-ee/meta-arago,rcn-ee/meta-arago