Implement FFA ABI-s for notification handling

This change implements the listed FFA ABI-s:
- FFA_NOTIFICATION_BIND
- FFA_NOTIFICATION_UNBIND
- FFA_NOTIFICATION_SET
- FFA_NOTIFICATION_GET

Change-Id: Ifc231e3d60427b1c838cf622d8338d3e112209c1
Signed-off-by: Gabor Toth <gabor.toth2@arm.com>
diff --git a/components/messaging/ffa/libsp/component.cmake b/components/messaging/ffa/libsp/component.cmake
index 8d72089..b768f09 100644
--- a/components/messaging/ffa/libsp/component.cmake
+++ b/components/messaging/ffa/libsp/component.cmake
@@ -19,6 +19,7 @@
 	"${CMAKE_CURRENT_LIST_DIR}/sp_discovery.c"
 	"${CMAKE_CURRENT_LIST_DIR}/sp_memory_management.c"
 	"${CMAKE_CURRENT_LIST_DIR}/sp_messaging.c"
+	"${CMAKE_CURRENT_LIST_DIR}/sp_notification.c"
 	"${CMAKE_CURRENT_LIST_DIR}/sp_rxtx.c"
 	)
 
@@ -34,6 +35,7 @@
 	${CMAKE_CURRENT_LIST_DIR}/include/sp_discovery.h
 	${CMAKE_CURRENT_LIST_DIR}/include/sp_memory_management.h
 	${CMAKE_CURRENT_LIST_DIR}/include/sp_messaging.h
+	${CMAKE_CURRENT_LIST_DIR}/include/sp_notification.h
 	${CMAKE_CURRENT_LIST_DIR}/include/sp_rxtx.h
 	)