[openwrt] fix rloc16 in little endian system (#618)
[openwrt] fix rloc16 in little endian system (#618)


openthread/ot-br-posix,bukepo/borderrouter,openthread/borderrouter,openthread/ot-br-posix,openthread/ot-br-posix,bukepo/borderrouter,openthread/borderrouter,bukepo/borderrouter,bukepo/borderrouter,bukepo/borderrouter,openthread/borderrouter,openthread/ot-br-posix,openthread/borderrouter,openthread/ot-br-posix,openthread/ot-br-posix,openthread/borderrouter,openthread/borderrouter