common/board_f.c: align m68k arch to use CONFIG_DISPLAY_CPUINFO

Change all coldfire arch files to use CONFIG_DISPLAY_CPUINFO.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Reviewed-by: Tom Rini <trini@konsulko.com>
---
Changes for v2:
   - update common/Kconfig to add M68K to the default y list
diff --git a/common/board_f.c b/common/board_f.c
index 0bdce64..ff850ab 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -780,8 +780,7 @@
 	console_init_f,		/* stage 1 init of console */
 	display_options,	/* say that we are here */
 	display_text_info,	/* show debugging info if required */
-#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SH) || \
-		defined(CONFIG_X86)
+#if defined(CONFIG_PPC) || defined(CONFIG_SH) || defined(CONFIG_X86)
 	checkcpu,
 #endif
 #if defined(CONFIG_DISPLAY_CPUINFO)