common/* non-cmd*: Remove obsolete references to CONFIG_COMMANDS

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/common/kgdb.c b/common/kgdb.c
index 7a3e6d6..747a5b1 100644
--- a/common/kgdb.c
+++ b/common/kgdb.c
@@ -92,7 +92,7 @@
 #include <kgdb.h>
 #include <command.h>
 
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB) || defined(CONFIG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
 
 #undef KGDB_DEBUG