Kernel/HID: Add boot option to disable PS2 Mouse

Author: https://github.com/supercomputer7
Commit: 83835c7256
Pull-request: https://github.com/SerenityOS/serenity/pull/21085
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/FireFox317
Reviewed-by: https://github.com/Hendiadyoin1 ✅
Reviewed-by: https://github.com/gmta ✅

Kernel/Boot/CommandLine.h

@@ -90,6 +90,7 @@ public:
     [[nodiscard]] PanicMode panic_mode(Validate should_validate = Validate::No) const;
     [[nodiscard]] HPETMode hpet_mode() const;
     [[nodiscard]] bool disable_physical_storage() const;
+    [[nodiscard]] bool disable_ps2_mouse() const;
     [[nodiscard]] bool disable_uhci_controller() const;
     [[nodiscard]] bool disable_usb() const;
     [[nodiscard]] bool disable_virtio() const;