Modify Instance ID handling so that it is computed only at the first time when get_token API is called.
Commit: https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/4552
Modify Instance ID handling so that it is computed only at the first time when get_token API is called.
Commit: https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/4552