chore: checkpoint before Python removal

vendor/aws-lc-sys/aws-lc/crypto/fipsmodule/cpucap/cpu_aarch64.h

@@ -0,0 +1,31 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0 OR ISC
+
+#ifndef OPENSSL_HEADER_CPUCAP_CPU_AARCH64_H
+#define OPENSSL_HEADER_CPUCAP_CPU_AARCH64_H
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#include <inttypes.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if defined(OPENSSL_AARCH64) && !defined(OPENSSL_STATIC_ARMCAP)
+
+// cpu_aarch64 contains common functions used across multiple cpu_aarch64_* files
+
+// handle_cpu_env applies the value from |in| to the CPUID values in |out[0]|.
+// See the comment in |OPENSSL_cpuid_setup| about this.
+void handle_cpu_env(uint32_t *out, const char *in);
+
+#endif // OPENSSL_AARCH64 && !OPENSSL_STATIC_ARMCAP
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif // OPENSSL_HEADER_CPUCAP_CPU_AARCH64_H