rtc/: Remove obsolete references to CONFIG_COMMANDS

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/rtc/ds1556.c b/rtc/ds1556.c
index 8d4602a..440d43a 100644
--- a/rtc/ds1556.c
+++ b/rtc/ds1556.c
@@ -37,7 +37,7 @@
 #include <rtc.h>
 
 
-#if defined(CONFIG_RTC_DS1556) && ((CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_CMD_DATE))
+#if defined(CONFIG_RTC_DS1556) && defined(CONFIG_CMD_DATE)
 
 static uchar rtc_read( unsigned int addr );
 static void  rtc_write( unsigned int addr, uchar val);