test(interrupts): command to resume after managed exit

This patch introduces a new command sent through direct request
message to be used by an endpoint to allocate cpu cycles to resume a
Cactus SP after managed exit.

Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
Change-Id: Iee3cca5c8db0a46048c14ed1c41d5af90a843c82
1 file changed