rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/doc/README.mpc8313erdb b/doc/README.mpc8313erdb
index cd56689..7c1af17 100644
--- a/doc/README.mpc8313erdb
+++ b/doc/README.mpc8313erdb
@@ -3,7 +3,7 @@
 
 1.	Board Switches and Jumpers
 
-	S3 is used to set CFG_RESET_SOURCE.
+	S3 is used to set CONFIG_SYS_RESET_SOURCE.
 
 	To boot the image at 0xFE000000 in NOR flash, use these DIP
 	switch settings for S3 S4: