test(spm): using SRI delay flag from NWd

Attest that the SPMC returns FFA_ERROR_INVALID_PARAMETER
if the delay SRI flag is set on FFA_NOTIFICATION_SET from
the NWd.

Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: I9375f198d0ac6722b676d1a923caef165410920d
2 files changed