Tegra194: skip CPU suspend tests requiring SGI as wake source

Tegra194 platforms do not support CPU suspend power down and cannot
be woken up with an SGI. This patch disables the following tests as
a result.

+ PSCI Affinity Info/Affinity info level0 powerdown
+ PSCI CPU Suspend/CPU suspend to standby at level 0
+ PSCI CPU Suspend/CPU suspend to standby at level 1
+ PSCI CPU Suspend/CPU suspend to standby at level 2

Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: I082f254fcd07f9b504f366f2f9a4b41cf7d6bbc3
diff --git a/plat/nvidia/tegra194/tests_to_skip.txt b/plat/nvidia/tegra194/tests_to_skip.txt
index 9636021..929820a 100644
--- a/plat/nvidia/tegra194/tests_to_skip.txt
+++ b/plat/nvidia/tegra194/tests_to_skip.txt
@@ -1,6 +1,11 @@
 #
-# Copyright (c) 2019-2020, Arm Limited. All rights reserved.
+# Copyright (c) 2020, NVIDIA Coprporation. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
+# Tegra194 platforms cannot be woken up from CPU_SUSPEND by an SGI
+PSCI Affinity Info/Affinity info level0 powerdown
+PSCI CPU Suspend/CPU suspend to standby at level 0
+PSCI CPU Suspend/CPU suspend to standby at level 1
+PSCI CPU Suspend/CPU suspend to standby at level 2