accounts/usbwallet: support webusb for Trezor wallets

accounts/usbwallet/hub.go

accounts/usbwallet/trezor.go

accounts/usbwallet/wallet.go

node/config.go

signer/core/api.go

vendor/github.com/karalabe/hid/generic.go

vendor/github.com/karalabe/hid/hid.go

vendor/github.com/karalabe/hid/hid_disabled.go

vendor/github.com/karalabe/hid/hid_enabled.go

vendor/github.com/karalabe/hid/usb.go

vendor/github.com/karalabe/hid/wchar.go

vendor/vendor.json