PASID_SRC is not actually present in the Interrupt Packet, the field is
taken as reserved bits now. So remove it from IV entry to avoid misuse.
Signed-off-by: Xiaomeng Hou <Xiaomeng.Hou@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>