kernel: Eliminate variable shadowing

Now that the large kernel refactor is merged, we can eliminate the
remaining variable shadowing cases.

src/core/hle/kernel/k_scheduler.h

@@ -141,7 +141,7 @@ private:
 
     [[nodiscard]] static KSchedulerPriorityQueue& GetPriorityQueue(KernelCore& kernel);
 
-    void RotateScheduledQueue(s32 core_id, s32 priority);
+    void RotateScheduledQueue(s32 cpu_core_id, s32 priority);
 
     void Schedule() {
         ASSERT(GetCurrentThread()->GetDisableDispatchCount() == 1);