EmulatorPkg/Win: Add input/output support

The patch adds GOP and SimpleTextIn[Ex] support.
Now firmware can boot to UI and Shell but timer doesn't work.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Andrew Fish <afish@apple.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>

EmulatorPkg/Win/Host/WinHost.c

@@ -424,6 +424,11 @@ Returns:
   //
   AddThunkPpi (EFI_PEI_PPI_DESCRIPTOR_PPI, &gEmuThunkPpiGuid, &mSecEmuThunkPpi);
 
+  //
+  // Emulator Bus Driver Thunks
+  //
+  AddThunkProtocol (&mWinNtWndThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuGop), TRUE);
+
   //
   // Allocate space for gSystemMemory Array
   //