Change the folder of exported symbols from "Misc" to "API".

Suggested by @JDevlieghere in #89748.

Author: Meinersbur

llvm/cmake/modules/AddLLVM.cmake

@@ -167,7 +167,7 @@ function(add_llvm_symbol_exports target_name export_file)
 
   add_custom_target(${target_name}_exports DEPENDS ${native_export_file})
   get_subproject_title(subproject_title)
-  set_target_properties(${target_name}_exports PROPERTIES FOLDER "${subproject_title}/Misc")
+  set_target_properties(${target_name}_exports PROPERTIES FOLDER "${subproject_title}/API")
 
   get_property(srcs TARGET ${target_name} PROPERTY SOURCES)
   foreach(src ${srcs})