intel/compiler: Make visitors take debug_enabled as a parameter

The callers already have this value, and we would like to make it
follow different rules other than stage that might not be visible to
the helper function, so just pass explicitly.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9779>

src/intel/compiler/test_vec4_dead_code_eliminate.cpp

@@ -48,7 +48,7 @@ public:
                                  nir_shader *shader,
                                  struct brw_vue_prog_data *prog_data)
       : vec4_visitor(compiler, NULL, NULL, prog_data, shader, mem_ctx,
-                     false /* no_spills */, -1)
+                     false /* no_spills */, -1, false)
    {
       prog_data->dispatch_mode = DISPATCH_MODE_4X2_DUAL_OBJECT;
    }