board/[d-e]*: Remove obsolete references to CONFIG_COMMANDS

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/board/esd/cpci750/serial.c b/board/esd/cpci750/serial.c
index b830052..14494d2 100644
--- a/board/esd/cpci750/serial.c
+++ b/board/esd/cpci750/serial.c
@@ -80,7 +80,7 @@
 	}
 }
 
-#if (CONFIG_COMMANDS & CFG_CMD_KGDB) || defined(CONFIG_CMD_KGDB)
+#if defined(CONFIG_CMD_KGDB)
 void kgdb_serial_init (void)
 {
 }