Tegra194: add RAS exception handling

This patch adds all Tegra194 RAS nodes definitions and support to
handle all uncorrectable RAS errors.

Change-Id: I109b5a8dbca91d92752dc282c4ca30f273c475f9
Signed-off-by: David Pu <dpu@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/soc/t194/plat_setup.c b/plat/nvidia/tegra/soc/t194/plat_setup.c
index 5d6c60b..399aebb 100644
--- a/plat/nvidia/tegra/soc/t194/plat_setup.c
+++ b/plat/nvidia/tegra/soc/t194/plat_setup.c
@@ -208,6 +208,11 @@
 	/* sanity check MCE firmware compatibility */
 	mce_verify_firmware_version();
 
+#if RAS_EXTENSION
+	/* Enable Uncorrectable RAS error */
+	tegra194_ras_enable();
+#endif
+
 	/*
 	 * Program XUSB STREAMIDs
 	 * ======================