kernel-fitimgae: depend on deployment of optee image if OPTEEMACHINE is set
kernel-fitimgae: depend on deployment of optee image if OPTEEMACHINE is set

FITIMAGE_OPTEE never got defined and isn't a correct variable for this condition

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