Add CMakeLists.txt to support Mbed CLI 2

Author: LDong-Arm

CMakeLists.txt

@@ -0,0 +1,36 @@
+# Copyright (c) 2021 ARM Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.19.0 FATAL_ERROR)
+
+set(MBED_PATH ${CMAKE_CURRENT_SOURCE_DIR}/mbed-os CACHE INTERNAL "")
+set(MBED_CONFIG_PATH ${CMAKE_CURRENT_BINARY_DIR} CACHE INTERNAL "")
+set(APP_TARGET mbed-os-example-psa)
+
+include(${MBED_PATH}/tools/cmake/app.cmake)
+
+add_subdirectory(${MBED_PATH})
+
+add_executable(${APP_TARGET})
+
+mbed_configure_app_target(${APP_TARGET})
+
+project(${APP_TARGET})
+
+target_sources(${APP_TARGET}
+    PRIVATE
+        main.cpp
+)
+
+target_link_libraries(${APP_TARGET}
+    PRIVATE
+        mbed-os
+        mbed-psa
+)
+
+mbed_set_post_build(${APP_TARGET})
+
+option(VERBOSE_BUILD "Have a verbose build process")
+if(VERBOSE_BUILD)
+    set(CMAKE_VERBOSE_MAKEFILE ON)
+endif()