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/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 0bf0ace..8162475 100644
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -137,7 +137,7 @@
 #else /* CFG_USE_NANDFLASH */
 
 /* bootstrap + u-boot + env + linux in nandflash */
-#define CFG_ENV_IS_IN_NAND	1
+#define CONFIG_ENV_IS_IN_NAND	1
 #define CFG_ENV_OFFSET		0x60000
 #define CFG_ENV_OFFSET_REDUND	0x80000
 #define CFG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */