Autogen: Add (CMAKE_)AUTOMOC_COMPILER_PREDEFINES
Adds the boolean (CMAKE_)AUTOMOC_COMPILER_PREDEFINES
plus documentation and documentation for CMAKE_<LANG>_COMPILER_PREDEFINES_COMMAND
Adds the boolean (CMAKE_)AUTOMOC_COMPILER_PREDEFINES
plus documentation and documentation for CMAKE_<LANG>_COMPILER_PREDEFINES_COMMAND