libs/iwinfo: support txpwrlist() for madwifi master devices
libs/iwinfo: support txpwrlist() for madwifi master devices


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