Kernel: Omit all actual code from the kernel on aarch64 for now

Author: https://github.com/nico
Commit: 585edb8cff
Pull-request: https://github.com/SerenityOS/serenity/pull/9666

Kernel/Arch/aarch64/dummy.cpp

@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2021, Nico Weber <thakis@chromium.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+// This is a temporary file to get a non-empty Kernel binary on aarch64.
+// The prekernel currently never jumps to the kernel. This is dead code.
+void dummy();
+void dummy() { }