feat(notifications): forward notification info get to SPMC

The hypervisor forward FFA_NOTIFICATION_INFO_GET to the SPMC, to
retrieve the pending notifications info from SWd. It includes
notifications to SPs, and notifications from SPs to VMs.

Change-Id: I46549cc5ef7eb49addace546946222792d2be25b
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 cfaf923..aa7c26e 100644
--- a/inc/hf/arch/plat/ffa.h
+++ b/inc/hf/arch/plat/ffa.h
@@ -129,6 +129,11 @@
 					uint32_t *lists_count,
 					const uint32_t ids_count_max);
 
+void plat_ffa_notification_info_get_forward(uint16_t *ids, uint32_t *ids_count,
+					    uint32_t *lists_sizes,
+					    uint32_t *lists_count,
+					    const uint32_t ids_count_max);
+
 bool plat_ffa_is_mem_perm_get_valid(const struct vcpu *current);
 bool plat_ffa_is_mem_perm_set_valid(const struct vcpu *current);