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

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/rtc/ds1374.c b/rtc/ds1374.c
index 6ee7ab4..e773dd9 100644
--- a/rtc/ds1374.c
+++ b/rtc/ds1374.c
@@ -250,4 +250,4 @@
 {
 		i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
 }
-#endif /* (CONFIG_RTC_DS1374) && (CFG_COMMANDS & CFG_CMD_DATE) */
+#endif