Tegra: increase BL31 image size to 256KB

This patch increases the BL31 image size for all Tegra platforms to
256KB, so that we can relocate BL31 to TZSRAM on supported chips.

Change-Id: I467063c68632b53b5d4ef8ff1f76f5988096bd9c
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

plat/nvidia/tegra/include/platform_def.h

@@ -68,7 +68,7 @@
 /*******************************************************************************
  * BL31 specific defines.
  ******************************************************************************/
-#define BL31_SIZE			0x20000
+#define BL31_SIZE			0x40000
 #define BL31_BASE			TZDRAM_BASE
 #define BL31_LIMIT			(TZDRAM_BASE + BL31_SIZE - 1)
 #define BL32_BASE			(TZDRAM_BASE + BL31_SIZE)