omg you actually need that TLS

Signed-off-by: lizzie <lizzie@eden-emu.dev>

src/core/hle/kernel/kernel.cpp

@@ -380,9 +380,8 @@ struct KernelCore::Impl {
             ASSERT(KThread::InitializeDummyThread(thread, nullptr).IsSuccess());
             return thread;
         }};
-
-        KThread raw_thread{system.Kernel()};
-        KThread* thread = existing_thread ? existing_thread : initialize(&raw_thread);
+        thread_local KThread raw_thread{system.Kernel()};
+        thread_local KThread* thread = existing_thread ? existing_thread : initialize(&raw_thread);
         return thread;
     }