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/sbc8548.h b/include/configs/sbc8548.h
index 9ef0bfd..1f6dc3f 100644
--- a/include/configs/sbc8548.h
+++ b/include/configs/sbc8548.h
@@ -434,7 +434,7 @@
 /*
  * Environment
  */
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
 #define CFG_ENV_SECT_SIZE	0x40000	/* 256K(one sector) for env */
 #define CFG_ENV_SIZE		0x2000