trezor: call get_xpub with correct argument
trezor: call get_xpub with correct argument

`creating` indicates that this is a new wallet. Which is always the case
in `setup_device`

fujicoin/electrum-fjc,pooler/electrum-ltc,neocogent/electrum,spesmilo/electrum,fujicoin/electrum-fjc,fujicoin/electrum-fjc,wakiyamap/electrum-mona,neocogent/electrum,pooler/electrum-ltc,vialectrum/vialectrum,pooler/electrum-ltc,wakiyamap/electrum-mona,vialectrum/vialectrum,wakiyamap/electrum-mona,wakiyamap/electrum-mona,pooler/electrum-ltc,neocogent/electrum,spesmilo/electrum,vialectrum/vialectrum,spesmilo/electrum,spesmilo/electrum