m68k: Remove common.h usage

We can remove common.h from most cases of the code here, and only a few
places need an additional header instead.

Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Angelo Dureghello <angelo@kernel-space.org>
diff --git a/arch/m68k/lib/cache.c b/arch/m68k/lib/cache.c
index 57e5632..de04124 100644
--- a/arch/m68k/lib/cache.c
+++ b/arch/m68k/lib/cache.c
@@ -4,7 +4,7 @@
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  */
 
-#include <common.h>
+#include <config.h>
 #include <cpu_func.h>
 #include <asm/immap.h>
 #include <asm/cache.h>