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/xilinx-ppc440-generic.h b/include/configs/xilinx-ppc440-generic.h
index 4e8080b..fdefc4e 100644
--- a/include/configs/xilinx-ppc440-generic.h
+++ b/include/configs/xilinx-ppc440-generic.h
@@ -27,7 +27,7 @@
 #define CFG_SDRAM_SIZE_MB	256
 
 /*Env*/
-#define	CFG_ENV_IS_IN_FLASH	1
+#define	CONFIG_ENV_IS_IN_FLASH	1
 #define	CFG_ENV_SIZE		0x20000
 #define	CFG_ENV_SECT_SIZE	0x20000
 #define CFG_ENV_OFFSET		0x340000