CMake: add mbed_ prefix to our CMake files

To avoid conflicts as we expose our CMake list files via CMAKE_MODULE_PATH. Some files already include it, this
aligns the rest of files.

I leave app.cmake as it is - it's user facing and it would be breaking change. We can clean this one for the next major version.

CMakeLists.txt

@@ -6,7 +6,7 @@
 cmake_minimum_required(VERSION 3.19.0 FATAL_ERROR)
 
 include(${MBED_CONFIG_PATH}/mbed_config.cmake)
-include(tools/cmake/set_linker_script.cmake)
+include(mbed_set_linker_script)
 
 project(mbed-os)
 

targets/CMakeLists.txt

@@ -1,6 +1,7 @@
 # Copyright (c) 2020-2021 ARM Limited. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
-include(../tools/cmake/set_linker_script.cmake)
+
+include(mbed_set_linker_script)
 
 add_subdirectory(TARGET_Ambiq_Micro EXCLUDE_FROM_ALL)
 add_subdirectory(TARGET_Analog_Devices EXCLUDE_FROM_ALL)

tools/cmake/app.cmake

@@ -15,11 +15,11 @@ include(${MBED_CONFIG_PATH}/mbed_config.cmake)
 # Load toolchain file
 if(NOT CMAKE_TOOLCHAIN_FILE OR MBED_TOOLCHAIN_FILE_USED)
     set(MBED_TOOLCHAIN_FILE_USED TRUE CACHE INTERNAL "")
-    include(toolchain)
+    include(mbed_toolchain)
 endif()
 
 # Specify available build profiles and add options for the selected build profile
-include(profile)
+include(mbed_profile)
 
 enable_language(C CXX ASM)