System: Add "fast boot" option (skip boot logo)

src/core/settings.h

@@ -42,6 +42,9 @@ struct Settings
   // TODO: Controllers, memory cards, etc.
 
   std::string bios_path;
+  bool bios_patch_tty_enable = true;
+  bool bios_patch_fast_boot = false;
+
   std::string memory_card_a_path;
   std::string memory_card_b_path;