rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/esd/pf5200/flash.c b/board/esd/pf5200/flash.c
index 55419ee..8178b56 100644
--- a/board/esd/pf5200/flash.c
+++ b/board/esd/pf5200/flash.c
@@ -78,9 +78,9 @@
 
 #ifdef  CONFIG_ENV_IS_IN_FLASH
 	/* ENV protection ON by default */
-	flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
-		      CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
-		      flash_get_info(CFG_ENV_ADDR));
+	flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR,
+		      CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
+		      flash_get_info(CONFIG_ENV_ADDR));
 #endif
 
 	flash_afterinit(i, flash_info[i].start[0], flash_info[i].size);