Fix CMake include path for the minimal-printf test

Author: LDong-Arm

platform/tests/TESTS/mbed_platform/minimal-printf/compliance/CMakeLists.txt

@@ -3,7 +3,7 @@
 
 cmake_minimum_required(VERSION 3.19.0 FATAL_ERROR)
 
-set(MBED_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../../../.. CACHE INTERNAL "")
+set(MBED_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../../../../.. CACHE INTERNAL "")
 set(TEST_TARGET mbed-platform-minimal-printf-compliance)
 
 include(${MBED_PATH}/tools/cmake/mbed_greentea.cmake)