rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/sandpoint/flash.c b/board/sandpoint/flash.c
index 60cb191..0f3eca2 100644
--- a/board/sandpoint/flash.c
+++ b/board/sandpoint/flash.c
@@ -33,14 +33,14 @@
 flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips    */
 
 #if defined(CONFIG_ENV_IS_IN_FLASH)
-# ifndef  CFG_ENV_ADDR
-#  define CFG_ENV_ADDR  (CFG_FLASH_BASE + CFG_ENV_OFFSET)
+# ifndef  CONFIG_ENV_ADDR
+#  define CONFIG_ENV_ADDR  (CFG_FLASH_BASE + CONFIG_ENV_OFFSET)
 # endif
-# ifndef  CFG_ENV_SIZE
-#  define CFG_ENV_SIZE  CFG_ENV_SECT_SIZE
+# ifndef  CONFIG_ENV_SIZE
+#  define CONFIG_ENV_SIZE  CONFIG_ENV_SECT_SIZE
 # endif
-# ifndef  CFG_ENV_SECT_SIZE
-#  define CFG_ENV_SECT_SIZE  CFG_ENV_SIZE
+# ifndef  CONFIG_ENV_SECT_SIZE
+#  define CONFIG_ENV_SECT_SIZE  CONFIG_ENV_SIZE
 # endif
 #endif
 
@@ -230,10 +230,10 @@
 		&flash_info[0]);
 #endif
 
-#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CFG_ENV_ADDR)
+#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
     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