Always dump CPU info and assert our dummy thread value is legit.

src/xenia/kernel/modules/xboxkrnl/xboxkrnl_threading.cc

@@ -137,8 +137,6 @@ SHIM_CALL ExCreateThread_shim(
 
 uint32_t xeKeSetAffinityThread(void* thread_ptr, uint32_t affinity) {
   // TODO(benvanik): implement.
-  // TODO(benvanik): this also needs ObReferenceObjectByHandle to not
-  //     return dummy values.
   return affinity;
 }
 
@@ -153,6 +151,9 @@ SHIM_CALL KeSetAffinityThread_shim(
       thread,
       affinity);
 
+  // TODO(benvanik): expecting dummy values from ObReferenceObjectByHandle.
+  XEASSERT(thread == 0xDEADF00D);
+
   void* thread_ptr = SHIM_MEM_ADDR(thread);
   uint32_t result = xeKeSetAffinityThread(thread_ptr, affinity);
   SHIM_SET_RETURN(result);