Attest: Introduce PSA error codes

This change addresses the compliance with PSA initial attestation
API 1.0.0 version. It replaces the existing psa_attest_err_t enum
values with the error codes that are detailed in the
interface/include/psa/error.h file.

Change-Id: I1795331e7081589371c82f0e56655db6a543edd3
Signed-off-by: Sverteczky, Marcell <marcell.sverteczky@arm.com>
Signed-off-by: Raef Coles <raef.coles@arm.com>
15 files changed