cpu/[7a-ln-z]*: Remove obsolete references to CONFIG_COMMANDS

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/cpu/ppc4xx/dcr.S b/cpu/ppc4xx/dcr.S
index 554db1b..fe136e0 100644
--- a/cpu/ppc4xx/dcr.S
+++ b/cpu/ppc4xx/dcr.S
@@ -22,7 +22,7 @@
  */
 #include <config.h>
 
-#if defined(CONFIG_4xx) && ((CONFIG_COMMANDS & CFG_CMD_SETGETDCR) || defined(CONFIG_CMD_SETGETDCR))
+#if defined(CONFIG_4xx) && defined(CONFIG_CMD_SETGETDCR)
 
 #include <ppc4xx.h>