agx: compiler: Enable stack_adjust

We'll need this once we start using scratch.

Signed-off-by: Asahi Lina <lina@asahilina.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27616>

src/asahi/compiler/agx_compile.c

@@ -2800,10 +2800,7 @@ agx_compile_function_nir(nir_shader *nir, nir_function_impl *impl,
    emit_cf_list(ctx, &impl->body);
    agx_emit_phis_deferred(ctx);
 
-   /* TODO: reenable when we have the helper program, and have fixed
-    * scratch_size on shaders that use libagx.
-    */
-   if (impl->function->is_entrypoint && nir->scratch_size > 0 && false) {
+   if (impl->function->is_entrypoint && nir->scratch_size > 0) {
       /* Apple always allocate 40 more bytes in the entrypoint and align to 4. */
       uint64_t stack_size = ALIGN(DIV_ROUND_UP(nir->scratch_size, 4) + 10, 4);