trusty-ffa: Enqueue NOP on SRI Register a handler for the Schedule Receiver Interrupt and enqueue a Trusty NOP so it gets more cycles whenever its SP ID shows up in PARTITION_INFO_GET. Bug: 122357282 Change-Id: I3c95707372c9ae1d050a057dfc61fed56f6065e6 Signed-off-by: Andrei Homescu <[email protected]>