Use mobilenet_v2 for freertos test application

Replace the CPU-only network with mobilenet_v2_1.0_224.

The header files in this commit are the same as the model data in the
trustzone application, see the README.md in
applications/trustzone_inference for details on how to generate them
from source on Arm ML-Zoo repository on github.

Change-Id: I8d3cfd6313fd5d98880cf1b24511208ca12faa05
diff --git a/targets/corstone-300/platform.ld b/targets/corstone-300/platform.ld
index 937bc4c..9365756 100644
--- a/targets/corstone-300/platform.ld
+++ b/targets/corstone-300/platform.ld
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2020 Arm Limited. All rights reserved.
+ * Copyright (c) 2009-2021 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -260,7 +260,7 @@
   .sram :
   {
     . = ALIGN(16);
-    *(.bss.ethosu_fast_memory);
+    *(.bss.ethosu_scratch);
     . = ALIGN(16);
   } > SRAM AT > SRAM