arm: mini2440: Add memory size.

MINI240 board has available always 64M of memory so add
size to memory device structure.

Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/boards/mini2440/mini2440.c

@@ -47,6 +47,7 @@ static struct memory_platform_data ram_pdata = {
 static struct device_d sdram_dev = {
 	.name		= "mem",
 	.map_base	= CS6_BASE,
+	.size		= 64 * 1024 * 1024,
 	.platform_data	= &ram_pdata,
 };