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/Sandpoint8240.h b/include/configs/Sandpoint8240.h
index cfd16d3..7c880ab 100644
--- a/include/configs/Sandpoint8240.h
+++ b/include/configs/Sandpoint8240.h
@@ -176,7 +176,7 @@
 #else
 #define CFG_FLASH_SIZE		(1024 * 1024)	/* Unity has onboard 1MByte flash */
 #endif
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_OFFSET		0x00004000	/* Offset of Environment Sector */
 #define CFG_ENV_SIZE		0x00002000	/* Total Size of Environment Sector */