Tegra: enable PSCI extended state ID processing

This patch enables the PSCI_EXTENDED_STATE_ID macro. Tegra platforms
have moved on to using the extended state ID for CPU_SUSPEND, where
the NS world passes the state ID and wakeup time as part of the
state ID field.

Change-Id: Ie8b0fec285d8b2330bc26ff239a4f628425c9fcf
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/platform.mk b/plat/nvidia/tegra/platform.mk
index cec7caf..756899c 100644
--- a/plat/nvidia/tegra/platform.mk
+++ b/plat/nvidia/tegra/platform.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:
@@ -30,6 +30,9 @@
 
 SOC_DIR			:=	plat/nvidia/tegra/soc/${TARGET_SOC}
 
+# Enable PSCI v1.0 extended state ID format
+PSCI_EXTENDED_STATE_ID	:=	1
+
 # Disable the PSCI platform compatibility layer
 ENABLE_PLAT_COMPAT	:=	0