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/davinci_sffsdr.h b/include/configs/davinci_sffsdr.h
index c46a430..b4f4b11 100644
--- a/include/configs/davinci_sffsdr.h
+++ b/include/configs/davinci_sffsdr.h
@@ -75,7 +75,7 @@
 #define CONFIG_NET_RETRY_COUNT	10
 #define CONFIG_OVERWRITE_ETHADDR_ONCE
 /* Flash & Environment */
-#undef CFG_ENV_IS_IN_FLASH
+#undef CONFIG_ENV_IS_IN_FLASH
 #define CFG_NO_FLASH
 #define CONFIG_ENV_IS_IN_NAND		/* U-Boot env in NAND Flash  */
 #define CFG_ENV_SECT_SIZE	2048	/* Env sector Size */