ATECC608A example fails to build using IAR

[dgreen-arm]

Description

Building the ATECC608A example using IAR fails with:
Error[Pe183]: type of cast must be integral sig_size = PSA_ASYMMETRIC_SIGN_OUTPUT_SIZE(key_type, key_bits, alg),

Full log available here: https://jenkins-internal.mbed.com/job/mbed-crypto-release-ci-testing-2/74/execution/node/2679/log/

Mbed OS at 9974899 Merge pull request #10833 from jamesbeyond/master
The versions of Mbed TLS and Mbed Crypto are those specified in update-crypto.sh in https://github.com/ARMmbed/mbed-os-example-atecc608a

Issue request type

[ ] Question
[ ] Enhancement
[x] Bug

[ciarmcom]

Internal Jira reference: https://jira.arm.com/browse/IOTCRYPT-807