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/csb226.h b/include/configs/csb226.h
index a807d00..c5d65e5 100644
--- a/include/configs/csb226.h
+++ b/include/configs/csb226.h
@@ -488,7 +488,7 @@
 #define CFG_FLASH_ERASE_TOUT    (2*CFG_HZ) /* Timeout for Flash Erase       */
 #define CFG_FLASH_WRITE_TOUT    (2*CFG_HZ) /* Timeout for Flash Write       */
 
-#define	CFG_ENV_IS_IN_FLASH	1
+#define	CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_ADDR            (PHYS_FLASH_1 + 0x1C000)
 					/* Addr of Environment Sector       */
 #define CFG_ENV_SIZE            0x4000  /* Total Size of Environment Sector */