TFT branch grab-bag (#5683)

Selection of minor edits from the TFT branch that are too
challenging to cherry-pick cleanly, including:
* introducing the HAS_TFT flag
* fixing pins in unphone
* Adding pinterdevice to portduino settings

src/modules/Modules.cpp

@@ -173,7 +173,7 @@ void setupModules()
         aSerialKeyboardImpl->init();
 #endif // INPUTBROKER_MATRIX_TYPE
 #endif // HAS_BUTTON
-#if ARCH_PORTDUINO
+#if ARCH_PORTDUINO && !HAS_TFT
         aLinuxInputImpl = new LinuxInputImpl();
         aLinuxInputImpl->init();
 #endif