arm:exynos4:trats: Fix SDRAM size

Full 1GiB is visible

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
index e11a892..7b981fa 100644
--- a/board/samsung/trats/trats.c
+++ b/board/samsung/trats/trats.c
@@ -93,7 +93,9 @@
 int dram_init(void)
 {
 	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) +
-		get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
+		get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) +
+		get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) +
+		get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
 
 	return 0;
 }
@@ -104,6 +106,10 @@
 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
+	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
+	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
+	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
 }
 
 static unsigned int get_hw_revision(void)