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/PM826.h b/include/configs/PM826.h
index de1ecde..0782ff0 100644
--- a/include/configs/PM826.h
+++ b/include/configs/PM826.h
@@ -257,7 +257,7 @@
 
 #if 0
 /* Start port with environment in flash; switch to EEPROM later */
-#define CFG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_IS_IN_FLASH	1
 #define CFG_ENV_ADDR		(CFG_FLASH_BASE+0x40000)
 #define CFG_ENV_SIZE		0x40000
 #define CFG_ENV_SECT_SIZE	0x40000