core: Fix transitive include build errors

src/core/hle/kernel/k_scoped_lock.h

@@ -7,6 +7,9 @@
 
 #pragma once
 
+#include <concepts>
+#include <type_traits>
+
 namespace Kernel {
 
 template <typename T>

src/core/hle/kernel/k_server_session.cpp

@@ -21,6 +21,7 @@
 #include "core/hle/kernel/k_session.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/service_thread.h"
 #include "core/memory.h"
 
 namespace Kernel {