Tegra: memctrl_v2: TZRAM aperture configuration settings

This patch enables the configuration settings for the TZRAM
aperture by programming the base/size of the aperture and
restricting access to it. We allow only the CPU to read/write
by programming the access configuration registers to 0.

Change-Id: Ie16ad29f4c5ec7aafa972b0a0230b4790ad5619e
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/include/t186/tegra_def.h b/plat/nvidia/tegra/include/t186/tegra_def.h
index f0bd5d5..277b479 100644
--- a/plat/nvidia/tegra/include/t186/tegra_def.h
+++ b/plat/nvidia/tegra/include/t186/tegra_def.h
@@ -165,6 +165,6 @@
  * Tegra TZRAM constants
  ******************************************************************************/
 #define TEGRA_TZRAM_BASE		0x30000000
-#define TEGRA_TZRAM_SIZE		0x50000
+#define TEGRA_TZRAM_SIZE		0x40000
 
 #endif /* __TEGRA_DEF_H__ */