Configure Terminal to be picked up by Consplitter

Add the terminal device to be picked up by Consplitter so we can interact with UEFI VMs over serial console terminals like Putty.

Author: Nitin Puranik

MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c

@@ -800,6 +800,10 @@ TerminalDriverBindingStart (
                   &TerminalDevice->SimpleTextOutput,
                   &gEfiDevicePathProtocolGuid,
                   TerminalDevice->DevicePath,
+                  &gEfiConsoleOutDeviceGuid,
+                  NULL,                                     // Terminal is a ConOut device (picked up by Consplitter).
+                  &gEfiConsoleInDeviceGuid,
+                  NULL,                                     // Terminal is a ConIn device (picked up by Consplitter).
                   NULL
                   );
   if (!EFI_ERROR (Status)) {
@@ -1002,6 +1006,10 @@ TerminalDriverBindingStop (
                       &TerminalDevice->SimpleTextOutput,
                       &gEfiDevicePathProtocolGuid,
                       TerminalDevice->DevicePath,
+                      &gEfiConsoleOutDeviceGuid,
+                      NULL,
+                      &gEfiConsoleInDeviceGuid,
+                      NULL,
                       NULL
                       );
       if (EFI_ERROR (Status)) {

MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf

@@ -74,6 +74,8 @@
   gEdkiiVT400Guid                               ## SOMETIMES_CONSUMES ## GUID # used with a Vendor-Defined Messaging Device Path
   gEdkiiSCOTermGuid                             ## SOMETIMES_CONSUMES ## GUID # used with a Vendor-Defined Messaging Device Path
   gEdkiiStatusCodeDataTypeVariableGuid          ## SOMETIMES_CONSUMES ## GUID
+  gEfiConsoleOutDeviceGuid                      ## SOMETIMES_CONSUMES ## MU_CHANGE
+  gEfiConsoleInDeviceGuid                       ## SOMETIMES_CONSUMES ## MU_CHANGE
 
 [Protocols]
   gEfiSerialIoProtocolGuid                      ## TO_START