aco: move info pointer to a copy.

This is just setup to move this to a different struct later.

Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16342>

src/amd/compiler/aco_insert_waitcnt.cpp

@@ -770,7 +770,7 @@ insert_wait_states(Program* program)
    std::stack<unsigned, std::vector<unsigned>> loop_header_indices;
    unsigned loop_progress = 0;
 
-   if (program->stage.has(SWStage::VS) && program->info->vs.dynamic_inputs) {
+   if (program->stage.has(SWStage::VS) && program->info.vs.dynamic_inputs) {
       for (Definition def : program->vs_inputs) {
          update_counters(in_ctx[0], event_vmem);
          insert_wait_entry(in_ctx[0], def, event_vmem);