rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/eric/eric.c b/board/eric/eric.c
index 972d485..600b9d7 100644
--- a/board/eric/eric.c
+++ b/board/eric/eric.c
@@ -142,7 +142,7 @@
 	 * so let init.S do the init job for SDRAM
 	 * and simply return 32MByte here
 	 */
-	return (CFG_SDRAM_SIZE * 1024 * 1024);
+	return (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024);
 #else
 
 	/* Read Serial Presence Detect Information */