Add CONFIG_MII_INIT in cmd_mii.c

Provide common configuration in do_mii() to execute mii_init()
for all cpu architectures

Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

common/cmd_mii.c

@@ -306,7 +306,7 @@ int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		return 1;
 	}
 
-#if defined(CONFIG_8xx) || defined(CONFIG_MCF532x)
+#if defined(CONFIG_8xx) || defined(CONFIG_MCF532x || defined(CONFIG_MII_INIT))
 	mii_init ();
 #endif