feat(video_core): Fix Linux compilation issues in Hybrid Memory Manager

- Added missing <thread> header for std::thread usage
- Added <fcntl.h> for O_CLOEXEC and O_NONBLOCK definitions
- Fixed struct initialization order in uffdio_copy to match declaration order

Signed-off-by: Zephyron <zephyron@citron-emu.org>

src/video_core/vulkan_common/hybrid_memory.cpp

@@ -15,6 +15,7 @@
 #include <sys/syscall.h>
 #include <linux/userfaultfd.h>
 #include <sys/ioctl.h>
+#include <fcntl.h>
 #elif defined(_WIN32)
 #include <windows.h>
 #endif
@@ -263,8 +264,8 @@ void FaultManagedAllocator::FaultThread() {
 
                 if (page) {
                     struct uffdio_copy copy = {
-                        .src = (uintptr_t)page,
                         .dst = (uintptr_t)addr,
+                        .src = (uintptr_t)page,
                         .len = PageSize,
                         .mode = 0
                     };

src/video_core/vulkan_common/hybrid_memory.h

@@ -13,6 +13,7 @@
 #include <list>
 #include <set>
 #include <map>
+#include <thread>
 
 #include "common/common_types.h"
 #include "video_core/vulkan_common/vulkan_device.h"