Clean up the Isa related DXE in IntelFrameworkMoudlePkg.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3359 6f19259b-4bc3-4df7-8a09-765794883524

IntelFrameworkModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c

@@ -755,3 +755,40 @@ Returns:
   //
   PS2MouseGetPacket (MouseDev);
 }
+
+/**
+  The user Entry Point for module Ps2Mouse. The user code starts with this function.
+
+  @param[in] ImageHandle    The firmware allocated handle for the EFI image.  
+  @param[in] SystemTable    A pointer to the EFI System Table.
+  
+  @retval EFI_SUCCESS       The entry point is executed successfully.
+  @retval other             Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializePs2Mouse(
+  IN EFI_HANDLE           ImageHandle,
+  IN EFI_SYSTEM_TABLE     *SystemTable
+  )
+{
+  EFI_STATUS              Status;
+
+  //
+  // Install driver model protocol(s).
+  //
+  Status = EfiLibInstallAllDriverProtocols (
+             ImageHandle,
+             SystemTable,
+             &gPS2MouseDriver,
+             ImageHandle,
+             &gPs2MouseComponentName,
+             NULL,
+             NULL
+             );
+  ASSERT_EFI_ERROR (Status);
+
+
+  return Status;
+}