moved xsemaphore to xthread.d

add typed guest pointer template
add X_KSPINLOCK, rework spinlock functions.
rework irql related code, use irql on pcr instead of on XThread
add guest linked list helper functions
renamed ProcessInfoBlock to X_KPROCESS
assigned names to many kernel structure fields

src/xenia/kernel/xsemaphore.h

@@ -13,16 +13,10 @@
 #include "xenia/base/threading.h"
 #include "xenia/kernel/xobject.h"
 #include "xenia/xbox.h"
-
+#include "xenia/kernel/xthread.h"
 namespace xe {
 namespace kernel {
 
-struct X_KSEMAPHORE {
-  X_DISPATCH_HEADER header;
-  xe::be<uint32_t> limit;
-};
-static_assert_size(X_KSEMAPHORE, 0x14);
-
 class XSemaphore : public XObject {
  public:
   static const XObject::Type kObjectType = XObject::Type::Semaphore;