[flang][OpenMP] Order clause AST nodes alphabetically, NFC#113469

kparzysz merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

kparzysz:users/kparzysz/flang-clause-orderkparzysz/llvm-project:users/kparzysz/flang-clause-orderCopy head branch name to clipboard