plat: xilinx: Move pm_client.h to common directory

Move pm_client.h to common directory to avoid duplication
of function declaration.
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Change-Id: Iea542e681f42db089cccd9b24d286ac8f0a2ce35

plat/xilinx/zynqmp/pm_service/pm_client.h → plat/xilinx/common/include/pm_client.h

 /*
- * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -19,11 +19,14 @@
 void pm_client_suspend(const struct pm_proc *proc, unsigned int state);
 void pm_client_abort_suspend(void);
 void pm_client_wakeup(const struct pm_proc *proc);
-enum pm_ret_status set_ocm_retention(void);
-enum pm_ret_status pm_set_suspend_mode(uint32_t mode);
-const struct pm_proc *pm_get_proc_by_node(enum pm_node_id nid);
 
 /* Global variables to be set in pm_client.c */
 extern const struct pm_proc *primary_proc;
 
+#ifndef VERSAL_PLATFORM
+enum pm_ret_status set_ocm_retention(void);
+enum pm_ret_status pm_set_suspend_mode(uint32_t mode);
+const struct pm_proc *pm_get_proc_by_node(enum pm_node_id nid);
+#endif
+
 #endif /* PM_CLIENT_H */

plat/xilinx/versal/pm_service/pm_client.h

-/*
- * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-/*
- * Contains APU specific macros and macros to be defined depending on
- * the execution environment.
- */
-
-#ifndef PM_CLIENT_H
-#define PM_CLIENT_H
-
-#include "pm_common.h"
-#include "pm_defs.h"
-
-/* Functions to be implemented by each PU */
-void pm_client_suspend(const struct pm_proc *proc, unsigned int state);
-void pm_client_wakeup(const struct pm_proc *proc);
-void pm_client_abort_suspend(void);
-
-/* Global variables to be set in pm_client.c */
-extern const struct pm_proc *primary_proc;
-
-#endif /* PM_CLIENT_H */