rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/sbc8260/flash.c b/board/sbc8260/flash.c
index 6d659b2..d3b1f31 100644
--- a/board/sbc8260/flash.c
+++ b/board/sbc8260/flash.c
@@ -67,13 +67,13 @@
 		  &flash_info[0]);
 #endif
 
-#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CFG_ENV_ADDR)
-# ifndef  CFG_ENV_SIZE
-#  define CFG_ENV_SIZE	CFG_ENV_SECT_SIZE
+#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
+# ifndef  CONFIG_ENV_SIZE
+#  define CONFIG_ENV_SIZE	CONFIG_ENV_SECT_SIZE
 # endif
     flash_protect(FLAG_PROTECT_SET,
-		  CFG_ENV_ADDR,
-		  CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
+		  CONFIG_ENV_ADDR,
+		  CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
 		  &flash_info[0]);
 #endif