ColdFire: Fix timer issue for MCF5272

The timer was assigned to wrong timer memory mapped which
caused udelay() and timer() not working properly.

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

include/asm-m68k/timer.h

@@ -33,7 +33,7 @@
 /****************************************************************************/
 /* DMA Timer module registers */
 typedef struct dtimer_ctrl {
-#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
+#if defined(CONFIG_M5249) || defined(CONFIG_M5253) || defined(CONFIG_M5272)
 	u16 tmr;		/* 0x00 Mode register */
 	u16 res1;		/* 0x02 */
 	u16 trr;		/* 0x04 Reference register */