Initial implementation of Ioctl2 & Ioctl3

Purpose of Ioctl2 and Ioctl3 is to prevent the passing of raw pointers through ioctls

src/core/hle/service/nvdrv/nvdata.h

@@ -34,6 +34,12 @@ enum class EventState {
     Busy = 3,
 };
 
+enum class IoctlVersion : u32 {
+    Version1,
+    Version2,
+    Version3,
+};
+
 struct IoctlCtrl {
     // First call done to the servioce for services that call itself again after a call.
     bool fresh_call{true};