arm: Make jadecpu board use relocation

This patch modifies jadecpu board so that it is usable
with the relocation patches by Heiko Schocher

Signed-off-by: Matthias Weisser <weisserm@arcor.de>
diff --git a/board/syteco/jadecpu/jadecpu.c b/board/syteco/jadecpu/jadecpu.c
index 04d2f9d..69476f8 100644
--- a/board/syteco/jadecpu/jadecpu.c
+++ b/board/syteco/jadecpu/jadecpu.c
@@ -154,12 +154,19 @@
  */
 int dram_init(void)
 {
-	gd->bd->bi_dram[0].start = PHYS_SDRAM;
-	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size((volatile void *)PHYS_SDRAM,
+					PHYS_SDRAM_SIZE);
 
 	return 0;
 }
 
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM;
+	gd->bd->bi_dram[0].size = gd->ram_size;
+}
+
 int board_eth_init(bd_t *bis)
 {
 	int rc = 0;