libs/cbi: add wep and wpa key datatype validators
libs/cbi: add wep and wpa key datatype validators


deepak78/luci,8devices/luci,8devices/luci,deepak78/luci,8devices/luci,8devices/luci,8devices/luci,deepak78/luci,8devices/luci,deepak78/luci,deepak78/luci,deepak78/luci,deepak78/luci,deepak78/luci