rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/doc/uImage.FIT/command_syntax_extensions.txt b/doc/uImage.FIT/command_syntax_extensions.txt
index 6185cd8..002818c 100644
--- a/doc/uImage.FIT/command_syntax_extensions.txt
+++ b/doc/uImage.FIT/command_syntax_extensions.txt
@@ -160,7 +160,7 @@
 
 When bootm is called without arguments, the image at current image address is
 booted. The current image address is the address set most recently by a load
-command, etc, and is by default equal to CFG_LOAD_ADDR. For example, consider
+command, etc, and is by default equal to CONFIG_SYS_LOAD_ADDR. For example, consider
 the following commands:
 
 tftp 200000 /tftpboot/kernel