rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/MPC8540EVAL.h b/include/configs/MPC8540EVAL.h
index d4df8a6..ee4f41f 100644
--- a/include/configs/MPC8540EVAL.h
+++ b/include/configs/MPC8540EVAL.h
@@ -257,19 +257,19 @@
 #ifndef CFG_RAMBOOT
 #if defined(CONFIG_RAM_AS_FLASH)
 #define CONFIG_ENV_IS_NOWHERE
-#define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x100000)
-#define CFG_ENV_SIZE		0x2000
+#define CONFIG_ENV_ADDR		(CFG_FLASH_BASE + 0x100000)
+#define CONFIG_ENV_SIZE		0x2000
 #else
 #define CONFIG_ENV_IS_IN_FLASH	1
-#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
-#define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
+#define CONFIG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
+#define CONFIG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
 #endif
-#define CFG_ENV_SIZE		0x2000
+#define CONFIG_ENV_SIZE		0x2000
 #else
 /* #define CFG_NO_FLASH		1 */	/* Flash is not usable now	*/
 #define CONFIG_ENV_IS_NOWHERE	1	/* Store ENV in memory only	*/
-#define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
-#define CFG_ENV_SIZE		0x2000
+#define CONFIG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
+#define CONFIG_ENV_SIZE		0x2000
 #endif
 
 #define CONFIG_BOOTARGS	"root=/dev/ram rw console=ttyS0,115200"