Include `plat_psci_common.c` from the new location

The `plat_psci_common.c` was moved to the new location `plat/common`
and a stub file was retained at previous location for compatibility. This
patch modifies the platform makefiles to include the file from the new
location.

Change-Id: Iabddeeb824e9a5d72d176d7c644735966c8c0699
diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
index 9e5ddea..249a406 100644
--- a/plat/arm/common/arm_common.mk
+++ b/plat/arm/common/arm_common.mk
@@ -128,7 +128,7 @@
 				plat/arm/common/arm_pm.c			\
 				plat/arm/common/arm_topology.c			\
 				plat/common/aarch64/platform_mp_stack.S		\
-				plat/common/aarch64/plat_psci_common.c
+				plat/common/plat_psci_common.c
 
 ifneq (${TRUSTED_BOARD_BOOT},0)
 
diff --git a/plat/compat/plat_compat.mk b/plat/compat/plat_compat.mk
index c0c8ece..d9d50f6 100644
--- a/plat/compat/plat_compat.mk
+++ b/plat/compat/plat_compat.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
@@ -36,6 +36,6 @@
 
 PLAT_BL_COMMON_SOURCES	+=	plat/compat/aarch64/plat_helpers_compat.S
 
-BL31_SOURCES		+=	plat/common/aarch64/plat_psci_common.c	\
+BL31_SOURCES		+=	plat/common/plat_psci_common.c		\
 				plat/compat/plat_pm_compat.c		\
 				plat/compat/plat_topology_compat.c
diff --git a/plat/nvidia/tegra/common/tegra_common.mk b/plat/nvidia/tegra/common/tegra_common.mk
index 2ecf5f5..03ca773 100644
--- a/plat/nvidia/tegra/common/tegra_common.mk
+++ b/plat/nvidia/tegra/common/tegra_common.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
@@ -52,7 +52,7 @@
 				drivers/delay_timer/delay_timer.c		\
 				drivers/ti/uart/16550_console.S			\
 				plat/common/aarch64/platform_mp_stack.S		\
-				plat/common/aarch64/plat_psci_common.c		\
+				plat/common/plat_psci_common.c			\
 				${COMMON_DIR}/aarch64/tegra_helpers.S		\
 				${COMMON_DIR}/drivers/memctrl/memctrl.c		\
 				${COMMON_DIR}/drivers/pmc/pmc.c			\
diff --git a/plat/rockchip/rk3368/platform.mk b/plat/rockchip/rk3368/platform.mk
index 50eda32..c9ec564 100644
--- a/plat/rockchip/rk3368/platform.mk
+++ b/plat/rockchip/rk3368/platform.mk
@@ -51,7 +51,7 @@
 PLAT_BL_COMMON_SOURCES	:=	lib/xlat_tables/xlat_tables_common.c		\
 				lib/xlat_tables/aarch64/xlat_tables.c		\
 				plat/common/aarch64/plat_common.c		\
-				plat/common/aarch64/plat_psci_common.c
+				plat/common/plat_psci_common.c
 
 BL31_SOURCES		+=	${RK_GIC_SOURCES}				\
 				drivers/arm/cci/cci.c				\
diff --git a/plat/rockchip/rk3399/platform.mk b/plat/rockchip/rk3399/platform.mk
index b0ce56f..dc544f8 100644
--- a/plat/rockchip/rk3399/platform.mk
+++ b/plat/rockchip/rk3399/platform.mk
@@ -50,7 +50,7 @@
 PLAT_BL_COMMON_SOURCES  :=	lib/xlat_tables/xlat_tables_common.c		\
 				lib/xlat_tables/aarch64/xlat_tables.c		\
                                 plat/common/aarch64/plat_common.c               \
-				plat/common/aarch64/plat_psci_common.c
+				plat/common/plat_psci_common.c
 
 BL31_SOURCES            +=      ${RK_GIC_SOURCES}                               \
                                 drivers/arm/cci/cci.c                           \
diff --git a/plat/xilinx/zynqmp/platform.mk b/plat/xilinx/zynqmp/platform.mk
index ad87cd9..b27586f 100644
--- a/plat/xilinx/zynqmp/platform.mk
+++ b/plat/xilinx/zynqmp/platform.mk
@@ -80,7 +80,7 @@
 BL31_SOURCES		+=	drivers/arm/cci/cci.c				\
 				lib/cpus/aarch64/aem_generic.S			\
 				lib/cpus/aarch64/cortex_a53.S			\
-				plat/common/aarch64/plat_psci_common.c		\
+				plat/common/plat_psci_common.c			\
 				plat/common/aarch64/platform_mp_stack.S		\
 				plat/xilinx/zynqmp/bl31_zynqmp_setup.c		\
 				plat/xilinx/zynqmp/plat_psci.c			\