rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/common/kgdb.c b/common/kgdb.c
index b14898b..adc15dd 100644
--- a/common/kgdb.c
+++ b/common/kgdb.c
@@ -574,7 +574,7 @@
 }
 
 U_BOOT_CMD(
-	kgdb, CFG_MAXARGS, 1,	do_kgdb,
+	kgdb, CONFIG_SYS_MAXARGS, 1,	do_kgdb,
 	"kgdb    - enter gdb remote debug mode\n",
 	"[arg0 arg1 .. argN]\n"
 	"    - executes a breakpoint so that kgdb mode is\n"