Add VTimer as alternative interrupt method on Apple Hypervisor (#5663)

* Add VTimer as alternative interrupt method on Apple Hypervisor

* Fix naming violations on TimeApi

* Fix timer interval (was 16us rather than 16ms)

* Fix delta ticks calculation

* Missing ThrowOnError call

* Add SupportedOSPlatform attribute on AppleHv classes

src/Ryujinx.Cpu/AppleHv/HvVcpuPool.cs

@@ -1,8 +1,10 @@
 using System;
+using System.Runtime.Versioning;
 using System.Threading;
 
 namespace Ryujinx.Cpu.AppleHv
 {
+    [SupportedOSPlatform("macos")]
     class HvVcpuPool
     {
         // Since there's a limit on the number of VCPUs we can create,
@@ -81,6 +83,8 @@ namespace Ryujinx.Cpu.AppleHv
 
             HvVcpu vcpu = new(vcpuHandle, exitInfo, shadowContext, nativeContext, isEphemeral);
 
+            vcpu.EnableAndUpdateVTimer();
+
             return vcpu;
         }