[mlir][emitc] Add address-of and dereference ops#72569

aniragil wants to merge 2 commits intollvm:mainllvm/llvm-project:mainfrom

aniragil:emitc-add-address-of-and-dereferenceaniragil/llvm-project:emitc-add-address-of-and-dereferenceCopy head branch name to clipboard