rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/socrates/nand.c b/board/socrates/nand.c
index 6ec53f8..7d76f42 100644
--- a/board/socrates/nand.c
+++ b/board/socrates/nand.c
@@ -23,7 +23,7 @@
 
 #include <common.h>
 
-#if defined(CFG_NAND_BASE)
+#if defined(CONFIG_SYS_NAND_BASE)
 #include <nand.h>
 #include <asm/errno.h>
 #include <asm/io.h>