ir3: mark ucp_enables as allowed values on all keys

Both vertex and fragment shaders need to have the lowering.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5751>

src/freedreno/ir3/ir3_shader.c

@@ -340,6 +340,8 @@ ir3_setup_used_key(struct ir3_shader *shader)
 
 	key->safe_constlen = true;
 
+	key->ucp_enables = 0xff;
+
 	if (info->stage == MESA_SHADER_FRAGMENT) {
 		key->fsaturate_s = ~0;
 		key->fsaturate_t = ~0;