coverity: update for CCA attestation

initial_attestation.c is replaced by delegated_attestation.c
in these patches:
 - https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/16497
 - https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/16498

Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Change-Id: Ieb36e1c0bdd1198ee7c587daad355763d4240408
1 file changed