ColdFire: Fix build error caused by pixis.c

Moved the #include <asm/cache.h> inside the #ifdef CONFIG_FSL_PIXIS.

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

board/freescale/common/pixis.c

@@ -25,10 +25,9 @@
 #include <common.h>
 #include <command.h>
 #include <watchdog.h>
-#include <asm/cache.h>
 
 #ifdef CONFIG_FSL_PIXIS
-
+#include <asm/cache.h>
 #include "pixis.h"