rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/drivers/net/ns9750_eth.c b/drivers/net/ns9750_eth.c
index cade831..d4901b4 100644
--- a/drivers/net/ns9750_eth.c
+++ b/drivers/net/ns9750_eth.c
@@ -90,8 +90,8 @@
 # define ASSERT(expr, func)
 #endif /* DEBUG */
 
-#define NS9750_MII_NEG_DELAY		(5*CFG_HZ) /* in s */
-#define TX_TIMEOUT			(5*CFG_HZ) /* in s */
+#define NS9750_MII_NEG_DELAY		(5*CONFIG_SYS_HZ) /* in s */
+#define TX_TIMEOUT			(5*CONFIG_SYS_HZ) /* in s */
 
 /* @TODO move it to eeprom.h */
 #define FS_EEPROM_AUTONEG_MASK		0x7