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/board/amcc/bubinga/flash.c b/board/amcc/bubinga/flash.c
index e4832eb..0295b8c 100644
--- a/board/amcc/bubinga/flash.c
+++ b/board/amcc/bubinga/flash.c
@@ -84,7 +84,7 @@
 				    CFG_MONITOR_BASE,
 				    CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
 				    &flash_info[0]);
-#ifdef CFG_ENV_IS_IN_FLASH
+#ifdef CONFIG_ENV_IS_IN_FLASH
 		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
 				    CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
 				    &flash_info[0]);