Use SPDX license pragma in new WHP files

Signed-off-by: cshung <3410332+cshung@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 6f20a05d-6bee-4e2e-b320-12f8d9759bbc
Signed-off-by: cshung <3410332+cshung@users.noreply.github.com>

Author: cshung

src/hyperlight_host/src/hypervisor/virtual_machine/whp/aarch64.rs

@@ -1,18 +1,5 @@
-/*
-Copyright 2025 The Hyperlight Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2025 The Hyperlight Authors.
 
 //! Windows Hypervisor Platform (WHP) backend for AArch64.
 //!

src/hyperlight_host/src/hypervisor/virtual_machine/whp/mod.rs

@@ -1,18 +1,5 @@
-/*
-Copyright 2025  The Hyperlight Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2025 The Hyperlight Authors.
 
 #[cfg(target_arch = "x86_64")]
 mod x86_64;