event/dsw: fix enqueue burst return value

The returned number from rte_event_enqueue_*()
wouldn't include events marked with RTE_EVENT_OP_RELEASE.

Fixes: 1c8e3ca ("event/dsw: add event scheduling and device start/stop")
Cc: stable@dpdk.org

Signed-off-by: Yuri Chipchev <yuric@marvell.com>
Reviewed-by: Liron Himi <lironh@marvell.com>
Acked-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>

drivers/event/dsw/dsw_event.c

@@ -1231,7 +1231,7 @@ dsw_event_enqueue_burst_generic(struct dsw_port *source_port,
 	DSW_LOG_DP_PORT(DEBUG, source_port->id, "%d non-release events "
 			"accepted.\n", num_non_release);
 
-	return num_non_release;
+	return (num_non_release + num_release);
 }
 
 uint16_t