cmake(bugfix):keep include directory order in cmake application

Adding a for loop will reverse the order of addition.

Signed-off-by: xuxin19 <xuxin19@xiaomi.com>

cmake/nuttx_add_application.cmake

@@ -233,9 +233,8 @@ function(nuttx_add_application)
     endif()
 
     if(INCLUDE_DIRECTORIES)
-      foreach(inc ${INCLUDE_DIRECTORIES})
-        target_include_directories(${TARGET} BEFORE PRIVATE ${inc})
-      endforeach()
+      target_include_directories(${TARGET} BEFORE
+                                 PRIVATE ${INCLUDE_DIRECTORIES})
     endif()
   endif()