feat(notifications): forward notification set to SPMC

Hypervisor forwards FFA_NOTIFICATION_SET to the SPMC, if receiver is an
SP.

Change-Id: I22ae458ee5906aaa728433f9d06a02dac66801d4
Signed-off-by: J-Alves <joao.alves@arm.com>
diff --git a/inc/hf/arch/plat/ffa.h b/inc/hf/arch/plat/ffa.h
index 85487df..1dcb050 100644
--- a/inc/hf/arch/plat/ffa.h
+++ b/inc/hf/arch/plat/ffa.h
@@ -42,6 +42,12 @@
 					ffa_vm_id_t sender_id,
 					ffa_vm_id_t receiver_id);
 
+bool plat_ffa_notification_set_forward(ffa_vm_id_t sender_vm_id,
+				       ffa_vm_id_t receiver_vm_id,
+				       uint32_t flags,
+				       ffa_notifications_bitmap_t bitmap,
+				       struct ffa_value *ret);
+
 bool plat_ffa_is_notification_get_valid(struct vcpu *current,
 					ffa_vm_id_t receiver_id);