Add ARM64 arch_cpu.h header

headers/private/kernel/boot/arch/arm64/arch_cpu.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2021 Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef BOOT_ARCH_CPU_H
+#define BOOT_ARCH_CPU_H
+
+
+#include <SupportDefs.h>
+#include <boot/vfs.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+status_t boot_arch_cpu_init(void);
+void arch_ucode_load(BootVolume& volume);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* BOOT_ARCH_CPU_H */