Texture/Vertex/Index data cache (#132)

* Initial implementation of the texture cache

* Cache vertex and index data aswell, some cleanup

* Improve handling of the cache by storing cached ranges on a list for each page

* Delete old data from the caches automatically, ensure that the cache is cleaned when the mapping/size changes, and some general cleanup

Ryujinx.Core/OsHle/Kernel/SvcThread.cs

@@ -1,6 +1,7 @@
 using ChocolArm64.State;
 using Ryujinx.Core.Logging;
 using Ryujinx.Core.OsHle.Handles;
+using System;
 using System.Threading;
 
 using static Ryujinx.Core.OsHle.ErrorCode;