Merge pull request #461 from yatharth-arm/yk/nvidia_patch

Include psci.h from tegra platform header
diff --git a/plat/nvidia/tegra/include/tegra_private.h b/plat/nvidia/tegra/include/tegra_private.h
index aca9db7..6fa943f 100644
--- a/plat/nvidia/tegra/include/tegra_private.h
+++ b/plat/nvidia/tegra/include/tegra_private.h
@@ -33,6 +33,7 @@
 
 #include <arch.h>
 #include <platform_def.h>
+#include <psci.h>
 #include <xlat_tables.h>
 
 /*******************************************************************************