svc: SignalProcessWideKey should apply to all cores.

src/core/hle/kernel/svc.cpp

@@ -635,9 +635,10 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
                 condition_variable_addr, target);
 
     u32 processed = 0;
-    auto& thread_list = Core::System::GetInstance().CurrentScheduler().GetThreadList();
 
-    for (auto& thread : thread_list) {
+    auto signal_process_wide_key = [&](size_t core_index) {
+        const auto& scheduler = Core::System::GetInstance().Scheduler(core_index);
+        for (auto& thread : scheduler->GetThreadList()) {
             if (thread->condvar_wait_address != condition_variable_addr)
                 continue;
 
@@ -682,6 +683,12 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
 
             ++processed;
         }
+    };
+
+    signal_process_wide_key(0);
+    signal_process_wide_key(1);
+    signal_process_wide_key(2);
+    signal_process_wide_key(3);
 
     return RESULT_SUCCESS;
 }