time: Implement GetStandardUserSystemClock, GetCurrentTime.

src/core/hle/service/time/time.cpp

@@ -0,0 +1,16 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/time/time.h"
+#include "core/hle/service/time/time_s.h"
+
+namespace Service {
+namespace Time {
+
+void InstallInterfaces(SM::ServiceManager& service_manager) {
+    std::make_shared<TimeS>()->InstallAsService(service_manager);
+}
+
+} // namespace Time
+} // namespace Service