arm: rmobile: koelsch: Remove RAM address initialization

Since board info structure is not still set up, the setting of RAM
address causes illegal access.
Therefore the setting of RAM address is removed.

Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/renesas/koelsch/koelsch.c b/board/renesas/koelsch/koelsch.c
index bfd0cc6..37202f9 100644
--- a/board/renesas/koelsch/koelsch.c
+++ b/board/renesas/koelsch/koelsch.c
@@ -150,7 +150,6 @@
 
 int dram_init(void)
 {
-	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
 
 	return 0;