Attest: Align interface to PSA API 1.0

Change the arguments to psa_initial_attest_get_token and
psa_initial_attest_get_token_size as per the PSA 1.0 spec. Update
documentation for new function signature.

Change-Id: Ied6a0bea9ab4a404c147db286584a0873f1a3bf3
Signed-off-by: Raef Coles <raef.coles@arm.com>
10 files changed