common/cmd_[p-x]*: Remove obsolete references to CONFIG_COMMANDS.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/common/cmd_portio.c b/common/cmd_portio.c
index 6a07482..ad6656a 100644
--- a/common/cmd_portio.c
+++ b/common/cmd_portio.c
@@ -30,7 +30,7 @@
 #include <common.h>
 #include <command.h>
 
-#if (CONFIG_COMMANDS & CFG_CMD_PORTIO) || defined(CONFIG_CMD_PORTIO)
+#if defined(CONFIG_CMD_PORTIO)
 
 extern int cmd_get_data_size (char *arg, int default_size);