CMake: Clean up platform

platform/CMakeLists.txt

@@ -6,51 +6,11 @@ mbed_add_cmake_directory_if_labels("FEATURE")
 add_subdirectory(cxxsupport)
 add_subdirectory(mbed-trace)
 add_subdirectory(randlib)
-add_subdirectory(source/TARGET_CORTEX_M)
-add_subdirectory(source/minimal-printf)
+add_subdirectory(source)
 
 target_include_directories(mbed-os
     PUBLIC
-        ${CMAKE_CURRENT_SOURCE_DIR}
-        ${CMAKE_CURRENT_SOURCE_DIR}/include
-        ${CMAKE_CURRENT_SOURCE_DIR}/include/platform
-        ${CMAKE_CURRENT_SOURCE_DIR}/include/platform/internal
-        ${CMAKE_CURRENT_SOURCE_DIR}/source
-)
-
-target_sources(mbed-os
-    PRIVATE
-        source/ATCmdParser.cpp
-        source/CThunkBase.cpp
-        source/CriticalSectionLock.cpp
-        source/DeepSleepLock.cpp
-        source/FileBase.cpp
-        source/FileHandle.cpp
-        source/FilePath.cpp
-        source/FileSystemHandle.cpp
-        source/LocalFileSystem.cpp
-        source/Stream.cpp
-        source/SysTimer.cpp
-        source/mbed_alloc_wrappers.cpp
-        source/mbed_application.c
-        source/mbed_assert.c
-        source/mbed_atomic_impl.c
-        source/mbed_board.c
-        source/mbed_critical.c
-        source/mbed_error.c
-        source/mbed_error_hist.c
-        source/mbed_interface.c
-        source/mbed_mem_trace.cpp
-        source/mbed_mktime.c
-        source/mbed_mpu_mgmt.c
-        source/mbed_os_timer.cpp
-        source/mbed_poll.cpp
-        source/mbed_power_mgmt.c
-        source/mbed_retarget.cpp
-        source/mbed_rtc_time.cpp
-        source/mbed_sdk_boot.c
-        source/mbed_semihost_api.c
-        source/mbed_stats.c
-        source/mbed_thread.cpp
-        source/mbed_wait_api_no_rtos.c
+        include
+        include/platform
+        include/platform/internal
 )

platform/source/CMakeLists.txt

@@ -6,7 +6,7 @@ add_subdirectory(minimal-printf)
 
 target_include_directories(mbed-os
     PUBLIC
-        ${CMAKE_CURRENT_SOURCE_DIR}
+        .
 )
 
 target_sources(mbed-os