rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/integratorcp/flash.c b/board/integratorcp/flash.c
index 2a4256a..7effea6 100644
--- a/board/integratorcp/flash.c
+++ b/board/integratorcp/flash.c
@@ -128,8 +128,8 @@
 #ifdef CONFIG_ENV_IS_IN_FLASH
 	/* ENV protection ON */
 	flash_protect(FLAG_PROTECT_SET,
-		      CFG_ENV_ADDR,
-		      CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+		      CONFIG_ENV_ADDR,
+		      CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
 		      &flash_info[0]);
 #endif