rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index f290075..2578bef 100644
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -448,12 +448,12 @@
  */
 #define CONFIG_ENV_IS_IN_FLASH	1
 #if CFG_MONITOR_BASE > 0xfff80000
-#define CFG_ENV_ADDR		0xfff80000
+#define CONFIG_ENV_ADDR		0xfff80000
 #else
-#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x60000)
+#define CONFIG_ENV_ADDR		(CFG_MONITOR_BASE + 0x60000)
 #endif
-#define CFG_ENV_SIZE		0x2000
-#define CFG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */
+#define CONFIG_ENV_SIZE		0x2000
+#define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */
 
 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
 #define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change */