rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/Marvell/common/ns16550.h b/board/Marvell/common/ns16550.h
index f2ed2ab..b9691ab 100644
--- a/board/Marvell/common/ns16550.h
+++ b/board/Marvell/common/ns16550.h
@@ -2,7 +2,7 @@
  * NS16550 Serial Port
  * originally from linux source (arch/ppc/boot/ns16550.h)
  * modified slightly to
- * have addresses as offsets from CFG_ISA_BASE
+ * have addresses as offsets from CONFIG_SYS_ISA_BASE
  * added a few more definitions
  * added prototypes for ns16550.c
  * reduced no of com ports to 2