ColdFire 5253: Assign correct SDRAM size

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>

include/configs/M5253EVBE.h

@@ -146,7 +146,7 @@
  * Please note that CFG_SDRAM_BASE _must_ start at 0
  */
 #define CFG_SDRAM_BASE		0x00000000
-#define CFG_SDRAM_SIZE		16	/* SDRAM size in MB */
+#define CFG_SDRAM_SIZE		8	/* SDRAM size in MB */
 
 #ifdef CONFIG_MONITOR_IS_IN_RAM
 #define CFG_MONITOR_BASE	0x20000