Fix MISRA rule 8.3 Part 2

Rule 8.3: All declarations of an object or function shall
          use the same names and type qualifiers.

Fixed for:
	make DEBUG=1 PLAT=juno LOG_LEVEL=50 all

Change-Id: I0e4a03a0d2170cb1c632e079112a972091994a39
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
diff --git a/plat/arm/css/drivers/scp/css_pm_scpi.c b/plat/arm/css/drivers/scp/css_pm_scpi.c
index 545c3fb..23fd80e 100644
--- a/plat/arm/css/drivers/scp/css_pm_scpi.c
+++ b/plat/arm/css/drivers/scp/css_pm_scpi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -19,7 +19,7 @@
 /*
  * Helper function to inform power down state to SCP.
  */
-void css_scp_suspend(const psci_power_state_t *target_state)
+void css_scp_suspend(const struct psci_power_state *target_state)
 {
 	uint32_t cluster_state = scpi_power_on;
 	uint32_t system_state = scpi_power_on;