ColdFire: Fix SDRAM size on M5208evb rev E

The proper SDRAM size is 32MB not 64MB
Signed-off-by: NJingchang Lu <b22599@freescale.com>

include/configs/M5208EVBE.h

@@ -158,7 +158,7 @@
  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  */
 #define CONFIG_SYS_SDRAM_BASE		0x40000000
-#define CONFIG_SYS_SDRAM_SIZE		64	/* SDRAM size in MB */
+#define CONFIG_SYS_SDRAM_SIZE		32	/* SDRAM size in MB */
 #define CONFIG_SYS_SDRAM_CFG1		0x43711630
 #define CONFIG_SYS_SDRAM_CFG2		0x56670000
 #define CONFIG_SYS_SDRAM_CTRL		0xE1002000