ColdFire: Fix incorrect definition

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

include/asm-m68k/m5301x.h

@@ -601,4 +601,8 @@
 #define RTC_OCEN_OSCBYP			(0x00000010)
 #define RTC_OCEN_CLKEN			(0x00000008)
 
+/* SDRAM */
+#define SDRAMC_SDCR_CKE			(0x40000000)
+#define SDRAMC_SDCR_REF			(0x10000000)
+
 #endif				/* m5301x_h */