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/integratorcp/flash.c b/board/integratorcp/flash.c
index 59961cd..2a4256a 100644
--- a/board/integratorcp/flash.c
+++ b/board/integratorcp/flash.c
@@ -125,7 +125,7 @@
 		       CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]);
 #endif
 
-#ifdef CFG_ENV_IS_IN_FLASH
+#ifdef CONFIG_ENV_IS_IN_FLASH
 	/* ENV protection ON */
 	flash_protect(FLAG_PROTECT_SET,
 		      CFG_ENV_ADDR,