cpu/ rtc/ include/: Remove lingering references to CFG_CMD_* symbols.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/cpu/mpc5xxx/ide.c b/cpu/mpc5xxx/ide.c
index 29b99f6..087ddac 100644
--- a/cpu/mpc5xxx/ide.c
+++ b/cpu/mpc5xxx/ide.c
@@ -24,7 +24,7 @@
  */
 #include <common.h>
 
-#ifdef CFG_CMD_IDE
+#if defined(CONFIG_CMD_IDE)
 #include <mpc5xxx.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -85,4 +85,4 @@
 
 	return (0);
 }
-#endif /* CFG_CMD_IDE */
+#endif