plat: versal: Add InitFinalize API call

Add support to call InitFinalize API in Versal which calls
corresponding LibPM API.

Signed-off-by: Ravi Patel <ravi.patel@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Change-Id: I3428b7245b4db1ef6db8a90b7ad20b6e484ed3b2
diff --git a/plat/xilinx/versal/pm_service/pm_api_sys.h b/plat/xilinx/versal/pm_service/pm_api_sys.h
index 4de592a..dd2aefc 100644
--- a/plat/xilinx/versal/pm_service/pm_api_sys.h
+++ b/plat/xilinx/versal/pm_service/pm_api_sys.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ * Copyright (c) 2019-2020, Xilinx, Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -15,6 +15,7 @@
  **********************************************************/
 
 enum pm_ret_status pm_get_api_version(unsigned int *version);
+enum pm_ret_status pm_init_finalize(void);
 enum pm_ret_status pm_self_suspend(uint32_t nid,
 				   unsigned int latency,
 				   unsigned int state,