Removed PSA_DOES_NOT_EXIST from psa_export_public_key
Removed PSA_DOES_NOT_EXIST from psa_export_public_key

The implementation should return PSA_ERROR_INVALID_HANDLE instead.

ARMmbed/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,NXPmicro/mbedtls,ARMmbed/mbedtls,NXPmicro/mbedtls,NXPmicro/mbedtls,NXPmicro/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls