vk_device_info: Add SPDX data

src/yuzu/vk_device_info.cpp

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #include "video_core/vulkan_common/vulkan_device.h"
 
 #include <vector>

src/yuzu/vk_device_info.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #pragma once
 
 #include <string>