freedreno/computerator: Fix enabling wave128

When adding API size controls we didn't update the assembler path. Make
it behave like it did before.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30758>

src/freedreno/ir3/ir3_assembler.c

@@ -42,6 +42,8 @@ ir3_parse_asm(struct ir3_compiler *c, struct ir3_kernel_info *info, FILE *in)
    v->compiler = c;
    v->const_state = rzalloc_size(v, sizeof(*v->const_state));
 
+   v->shader_options.real_wavesize = IR3_SINGLE_OR_DOUBLE;
+
    if (c->gen >= 6)
       v->mergedregs = true;