rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/sorcery/sorcery.c b/board/sorcery/sorcery.c
index e4fb146..3e1bd6f 100644
--- a/board/sorcery/sorcery.c
+++ b/board/sorcery/sorcery.c
@@ -34,7 +34,7 @@
 
 	size = dramSetup ();
 
-	return get_ram_size(CFG_SDRAM_BASE, size);
+	return get_ram_size(CONFIG_SYS_SDRAM_BASE, size);
 }
 
 int checkboard (void)