service/acc: Update unknown function names

Switchbrew has the function names now.

src/core/hle/service/acc/acc_su.cpp

@@ -37,8 +37,8 @@ ACC_SU::ACC_SU(std::shared_ptr<Module> module_, std::shared_ptr<ProfileManager>
         {130, nullptr, "ActivateOpenContextRetention"},
         {140, &ACC_SU::ListQualifiedUsers, "ListQualifiedUsers"},
         {150, nullptr, "AuthenticateApplicationAsync"},
-        {151, nullptr, "Unknown151"},
-        {152, nullptr, "Unknown152"},
+        {151, nullptr, "EnsureSignedDeviceIdentifierCacheForNintendoAccountAsync"},
+        {152, nullptr, "LoadSignedDeviceIdentifierCacheForNintendoAccount"},
         {190, nullptr, "GetUserLastOpenedApplication"},
         {191, nullptr, "ActivateOpenContextHolder"},
         {200, nullptr, "BeginUserRegistration"},

src/core/hle/service/acc/acc_u1.cpp

@@ -37,8 +37,8 @@ ACC_U1::ACC_U1(std::shared_ptr<Module> module_, std::shared_ptr<ProfileManager>
         {130, nullptr, "ActivateOpenContextRetention"},
         {140, &ACC_U1::ListQualifiedUsers, "ListQualifiedUsers"},
         {150, nullptr, "AuthenticateApplicationAsync"},
-        {151, nullptr, "Unknown151"},
-        {152, nullptr, "Unknown152"},
+        {151, nullptr, "EnsureSignedDeviceIdentifierCacheForNintendoAccountAsync"},
+        {152, nullptr, "LoadSignedDeviceIdentifierCacheForNintendoAccount"},
         {190, nullptr, "GetUserLastOpenedApplication"},
         {191, nullptr, "ActivateOpenContextHolder"},
         {997, nullptr, "DebugInvalidateTokenCacheForUser"},