according to gvb's suggestion, polishing for the doc. Signed-off-by: Jerry Van Baren <gerald.vanbaren@ge.com> Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Dave Liu <daveliu@freescale.com>