nso: Load subsdk4 if available.

src/core/loader/nso.cpp

@@ -157,7 +157,7 @@ ResultStatus AppLoader_NSO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
 
     // Load NSO modules
     VAddr next_load_addr{Memory::PROCESS_IMAGE_VADDR};
-    for (const auto& module : {"rtld", "sdk", "subsdk0", "subsdk1", "subsdk2", "subsdk3"}) {
+    for (const auto& module : {"rtld", "sdk", "subsdk0", "subsdk1", "subsdk2", "subsdk3", "subsdk4"}) {
         const std::string path = filepath.substr(0, filepath.find_last_of("/\\")) + "/" + module;
         const VAddr load_addr = next_load_addr;
         next_load_addr = LoadNso(path, load_addr);