rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/common/cmd_date.c b/common/cmd_date.c
index d6cd565..b4d9649 100644
--- a/common/cmd_date.c
+++ b/common/cmd_date.c
@@ -47,7 +47,7 @@
 
 	/* switch to correct I2C bus */
 	old_bus = I2C_GET_BUS();
-	I2C_SET_BUS(CFG_RTC_BUS_NUM);
+	I2C_SET_BUS(CONFIG_SYS_RTC_BUS_NUM);
 
 	switch (argc) {
 	case 2:			/* set date & time */