rename CFG_ENV_IS_IN_NAND in CONFIG_ENV_IS_IN_NAND

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/davinci_sonata.h b/include/configs/davinci_sonata.h
index c55766c..9c54f084 100644
--- a/include/configs/davinci_sonata.h
+++ b/include/configs/davinci_sonata.h
@@ -114,7 +114,7 @@
 #ifdef CFG_USE_NAND
 #undef CFG_ENV_IS_IN_FLASH
 #define CFG_NO_FLASH
-#define CFG_ENV_IS_IN_NAND		/* U-Boot env in NAND Flash  */
+#define CONFIG_ENV_IS_IN_NAND		/* U-Boot env in NAND Flash  */
 #define CFG_ENV_SECT_SIZE	512	/* Env sector Size */
 #define CFG_ENV_SIZE		SZ_16K
 #define CONFIG_SKIP_LOWLEVEL_INIT	/* U-Boot is loaded by a bootloader */