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/include/platform_def.h b/plat/nvidia/tegra/include/platform_def.h
index 678b15c..2331869 100644
--- a/plat/nvidia/tegra/include/platform_def.h
+++ b/plat/nvidia/tegra/include/platform_def.h
@@ -95,6 +95,7 @@
  * Platform macros to support exception handling framework
  ******************************************************************************/
 #define PLAT_PRI_BITS			U(3)
+#define PLAT_RAS_PRI			U(0x10)
 #define PLAT_SDEI_CRITICAL_PRI		U(0x20)
 #define PLAT_SDEI_NORMAL_PRI		U(0x30)
 #define PLAT_TEGRA_WDT_PRIO		U(0x40)