Firmware resident model

Support referencing a network model by index that has been built into
the firmware binary.

Change-Id: Idd5294376ea82503dfeafe1203dcc0694d296dfe
diff --git a/kernel/ethosu_mailbox.h b/kernel/ethosu_mailbox.h
index 5cd5e62..af3d986 100644
--- a/kernel/ethosu_mailbox.h
+++ b/kernel/ethosu_mailbox.h
@@ -1,5 +1,5 @@
 /*
- * (C) COPYRIGHT 2020 ARM Limited. All rights reserved.
+ * Copyright (c) 2020-2022 Arm Limited.
  *
  * This program is free software and is provided to you under the terms of the
  * GNU General Public License version 2 as published by the Free Software
@@ -133,6 +133,7 @@
 			     uint32_t ofm_count,
 			     struct ethosu_buffer **ofm,
 			     struct ethosu_buffer *network,
+			     uint32_t network_index,
 			     uint8_t *pmu_event_config,
 			     uint8_t pmu_event_config_count,
 			     uint8_t pmu_cycle_counter_enable);