Merge pull request #1743 from JoelHutton/jh/fixcssdriver

juno:Fix CSS_USE_SCMI_SDS_DRIVER=0 configuration

plat/arm/board/juno/juno_pm.c

 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -9,5 +9,9 @@
 
 const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)
 {
+#if CSS_USE_SCMI_SDS_DRIVER
 	return css_scmi_override_pm_ops(ops);
+#else
+	return ops;
+#endif /* CSS_USE_SCMI_SDS_DRIVER */
 }