trezor: support new passphrase entry mechanism

- passphrase can be prompted also when wallet is running (thus added to the wallet listener)
- device/host decision is now made on the host

src/CMakeLists.txt

@@ -15,7 +15,9 @@ file(GLOB SOURCE_FILES
     "main/*.h"
     "main/*.cpp"
     "libwalletqt/WalletManager.cpp"
+    "libwalletqt/WalletListenerImpl.cpp"
     "libwalletqt/Wallet.cpp"
+    "libwalletqt/PassphraseHelper.cpp"
     "libwalletqt/PendingTransaction.cpp"
     "libwalletqt/TransactionHistory.cpp"
     "libwalletqt/TransactionInfo.cpp"
@@ -29,6 +31,7 @@ file(GLOB SOURCE_FILES
     "libwalletqt/UnsignedTransaction.cpp"
     "libwalletqt/WalletManager.h"
     "libwalletqt/Wallet.h"
+    "libwalletqt/PassphraseHelper.h"
     "libwalletqt/PendingTransaction.h"
     "libwalletqt/TransactionHistory.h"
     "libwalletqt/TransactionInfo.h"