rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c
index 85795b7..8975bfd 100644
--- a/board/lwmon5/lwmon5.c
+++ b/board/lwmon5/lwmon5.c
@@ -200,8 +200,8 @@
 
 	/* Env protection ON by default */
 	(void)flash_protect(FLAG_PROTECT_SET,
-			    CFG_ENV_ADDR_REDUND,
-			    CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
+			    CONFIG_ENV_ADDR_REDUND,
+			    CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1,
 			    &flash_info[1]);
 
 	/*