rename CFG_ENV_IS_IN_FLASH in CONFIG_ENV_IS_IN_FLASH

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/MPC8540EVAL.h b/include/configs/MPC8540EVAL.h
index 04bec2d..d4df8a6 100644
--- a/include/configs/MPC8540EVAL.h
+++ b/include/configs/MPC8540EVAL.h
@@ -260,7 +260,7 @@
 #define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x100000)
 #define CFG_ENV_SIZE		0x2000
 #else
-#define CFG_ENV_IS_IN_FLASH	1
+#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 */
 #endif