kernel: Implement thread pinning support (#2840)

* kernel: Implement Thread pinning support

This commit adds support for 8.x thread pinning changes and implement SynchronizePreemptionState syscall.

Based on kernel 13.x reverse.

* Address gdkchan's comment

* kernel: fix missing critical section leave in SetActivity

Fix Unity games

* Implement missing bits on the interrupt handler and inline update pinning function as it cannot be generic

* Fix some bugs in SetActivity and SetCoreAndAffinityMask

* Address gdkchan's comments

Ryujinx.HLE/HOS/Kernel/SupervisorCall/Syscall.cs

@@ -2655,6 +2655,13 @@ namespace Ryujinx.HLE.HOS.Kernel.SupervisorCall
             };
         }
 
+        public KernelResult SynchronizePreemptionState()
+        {
+            KernelStatic.GetCurrentThread().SynchronizePreemptionState();
+
+            return KernelResult.Success;
+        }
+
         private bool IsPointingInsideKernel(ulong address)
         {
             return (address + 0x1000000000) < 0xffffff000;