Rename .bss.NoInit section to .bss.tensor_arena

Change-Id: I660cd5d2bc73eaf589598c4f0570f5e9293de28d
diff --git a/applications/freertos/CMakeLists.txt b/applications/freertos/CMakeLists.txt
index 9581fe5..74cbe45 100644
--- a/applications/freertos/CMakeLists.txt
+++ b/applications/freertos/CMakeLists.txt
@@ -28,6 +28,6 @@
 
 # Use the fast memory to support both 11.12.57 and 11.13.x release
 # of the FVP
-# The size is defined to force the .bss.NoInit to be placed in DDR
+# The size is defined to force the .bss.tensor_arena to be placed in DDR
 target_compile_definitions(
     freertos PRIVATE ETHOSU_FAST_MEMORY_SIZE=0xa0000)