Remove map file generation

Remove map file generation from the toolchain file. The name of
the target is not known here, so it will not be possible to name
the map file after the target.

Change-Id: I087eb1983ecf8fb1d5a4575fcaf18ed73a2042cb
diff --git a/cmake/toolchain/arm-none-eabi-gcc.cmake b/cmake/toolchain/arm-none-eabi-gcc.cmake
index 7b7dac2..964b9e3 100644
--- a/cmake/toolchain/arm-none-eabi-gcc.cmake
+++ b/cmake/toolchain/arm-none-eabi-gcc.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2019-2020 Arm Limited. All rights reserved.
+# Copyright (c) 2019-2021 Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -65,7 +65,6 @@
 
 # Link target
 add_link_options(-mcpu=${__CPU_COMPILE_TARGET})
-add_link_options(-Xlinker -Map=output.map)
 
 #
 # Compile options