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

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/rtc/mpc8xx.c b/rtc/mpc8xx.c
index 716cd53..8d10c0e 100644
--- a/rtc/mpc8xx.c
+++ b/rtc/mpc8xx.c
@@ -70,6 +70,4 @@
 	return;	/* nothing to do */
 }
 
-/* ------------------------------------------------------------------------- */
-
-#endif	/* CONFIG_RTC_MPC8xx && CFG_CMD_DATE */
+#endif