feat(interrupts): support Other S-Int action field

Secure partitions can request SPMC to queue secure interrupts that
are targetted for other SPs through a new field. This patch adds
support for SPs to specify the field `other-s-interrupts-action` in
their manifest.

Change-Id: I6c68b1b7216c5121d3d8e522ede94a9c291c3403
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
diff --git a/src/load.c b/src/load.c
index 764e4b9..b815e1e 100644
--- a/src/load.c
+++ b/src/load.c
@@ -213,6 +213,9 @@
 		vm_locked.vm->ns_interrupts_action =
 			manifest_vm->partition.ns_interrupts_action;
 
+		vm_locked.vm->other_s_interrupts_action =
+			manifest_vm->partition.other_s_interrupts_action;
+
 		vm_locked.vm->me_signal_virq =
 			manifest_vm->partition.me_signal_virq;