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/spc1920.h b/include/configs/spc1920.h
index daaa23f..73fa97f 100644
--- a/include/configs/spc1920.h
+++ b/include/configs/spc1920.h
@@ -185,7 +185,7 @@
 #define CFG_MAX_FLASH_SECT      128             /* Max num of sects on one chip */
 
 /* Environment is in flash */
-#define CFG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_IS_IN_FLASH
 #define CFG_ENV_SECT_SIZE       0x40000         /* We use one complete sector   */
 #define CFG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)