rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/pxa255_idp/pxa_idp.c b/board/pxa255_idp/pxa_idp.c
index 5765c55..b0aa8dd 100644
--- a/board/pxa255_idp/pxa_idp.c
+++ b/board/pxa255_idp/pxa_idp.c
@@ -127,7 +127,7 @@
 	return 0;
 }
 
-U_BOOT_CMD(idpcmd, CFG_MAXARGS, 0, do_idpcmd,
+U_BOOT_CMD(idpcmd, CONFIG_SYS_MAXARGS, 0, do_idpcmd,
 	   "idpcmd    - custom IDP command\n",
 	   "no args at this time\n"
 );